81324100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 213486336

約数和(自身を除く): 132162236

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 47, 50, 52, 55, 65, 94, 100, 110, 121, 130, 143, 188, 220, 235, 242, 260, 275, 286, 325, 470, 484, 517, 550, 572, 605, 611, 650, 715, 940, 1034, 1100, 1175, 1210, 1222, 1300, 1331, 1430, 1573, 2068, 2350, 2420, 2444, 2585, 2662, 2860, 3025, 3055, 3146, 3575, 4700, 5170, 5324, 5687, 6050, 6110, 6292, 6655, 6721, 7150, 7865, 10340, 11374, 12100, 12220, 12925, 13310, 13442, 14300, 15275, 15730, 17303, 22748, 25850, 26620, 26884, 28435, 30550, 31460, 33275, 33605, 34606, 39325, 51700, 56870, 61100, 62557, 66550, 67210, 69212, 73931, 78650, 86515, 113740, 125114, 133100, 134420, 142175, 147862, 157300, 168025, 173030, 250228, 284350, 295724, 312785, 336050, 346060, 369655, 432575, 568700, 625570, 672100, 739310, 813241, 865150, 1251140, 1478620, 1563925, 1626482, 1730300, 1848275, 3127850, 3252964, 3696550, 4066205, 6255700, 7393100, 8132410, 16264820, 20331025, 40662050, 81324100]

約数ペア:

[(1, 81324100), (2, 40662050), (4, 20331025), (5, 16264820), (10, 8132410), (11, 7393100), (13, 6255700), (20, 4066205), (22, 3696550), (25, 3252964), (26, 3127850), (44, 1848275), (47, 1730300), (50, 1626482), (52, 1563925), (55, 1478620), (65, 1251140), (94, 865150), (100, 813241), (110, 739310), (121, 672100), (130, 625570), (143, 568700), (188, 432575), (220, 369655), (235, 346060), (242, 336050), (260, 312785), (275, 295724), (286, 284350), (325, 250228), (470, 173030), (484, 168025), (517, 157300), (550, 147862), (572, 142175), (605, 134420), (611, 133100), (650, 125114), (715, 113740), (940, 86515), (1034, 78650), (1100, 73931), (1175, 69212), (1210, 67210), (1222, 66550), (1300, 62557), (1331, 61100), (1430, 56870), (1573, 51700), (2068, 39325), (2350, 34606), (2420, 33605), (2444, 33275), (2585, 31460), (2662, 30550), (2860, 28435), (3025, 26884), (3055, 26620), (3146, 25850), (3575, 22748), (4700, 17303), (5170, 15730), (5324, 15275), (5687, 14300), (6050, 13442), (6110, 13310), (6292, 12925), (6655, 12220), (6721, 12100), (7150, 11374), (7865, 10340)]