42004820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 109226880

約数和(自身を除く): 67222060

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 773, 836, 988, 1045, 1235, 1430, 1546, 2090, 2470, 2717, 2860, 3092, 3865, 4180, 4940, 5434, 7730, 8503, 10049, 10868, 13585, 14687, 15460, 17006, 20098, 27170, 29374, 34012, 40196, 42515, 50245, 54340, 58748, 73435, 85030, 100490, 110539, 146870, 161557, 170060, 190931, 200980, 221078, 293740, 323114, 381862, 442156, 552695, 646228, 763724, 807785, 954655, 1105390, 1615570, 1909310, 2100241, 2210780, 3231140, 3818620, 4200482, 8400964, 10501205, 21002410, 42004820]

約数ペア:

[(1, 42004820), (2, 21002410), (4, 10501205), (5, 8400964), (10, 4200482), (11, 3818620), (13, 3231140), (19, 2210780), (20, 2100241), (22, 1909310), (26, 1615570), (38, 1105390), (44, 954655), (52, 807785), (55, 763724), (65, 646228), (76, 552695), (95, 442156), (110, 381862), (130, 323114), (143, 293740), (190, 221078), (209, 200980), (220, 190931), (247, 170060), (260, 161557), (286, 146870), (380, 110539), (418, 100490), (494, 85030), (572, 73435), (715, 58748), (773, 54340), (836, 50245), (988, 42515), (1045, 40196), (1235, 34012), (1430, 29374), (1546, 27170), (2090, 20098), (2470, 17006), (2717, 15460), (2860, 14687), (3092, 13585), (3865, 10868), (4180, 10049), (4940, 8503), (5434, 7730)]