31525780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 79365888

約数和(自身を除く): 47840108

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 73, 110, 130, 143, 146, 151, 220, 260, 286, 292, 302, 365, 572, 604, 715, 730, 755, 803, 949, 1430, 1460, 1510, 1606, 1661, 1898, 1963, 2860, 3020, 3212, 3322, 3796, 3926, 4015, 4745, 6644, 7852, 8030, 8305, 9490, 9815, 10439, 11023, 16060, 16610, 18980, 19630, 20878, 21593, 22046, 33220, 39260, 41756, 43186, 44092, 52195, 55115, 86372, 104390, 107965, 110230, 121253, 143299, 208780, 215930, 220460, 242506, 286598, 431860, 485012, 573196, 606265, 716495, 1212530, 1432990, 1576289, 2425060, 2865980, 3152578, 6305156, 7881445, 15762890, 31525780]

約数ペア:

[(1, 31525780), (2, 15762890), (4, 7881445), (5, 6305156), (10, 3152578), (11, 2865980), (13, 2425060), (20, 1576289), (22, 1432990), (26, 1212530), (44, 716495), (52, 606265), (55, 573196), (65, 485012), (73, 431860), (110, 286598), (130, 242506), (143, 220460), (146, 215930), (151, 208780), (220, 143299), (260, 121253), (286, 110230), (292, 107965), (302, 104390), (365, 86372), (572, 55115), (604, 52195), (715, 44092), (730, 43186), (755, 41756), (803, 39260), (949, 33220), (1430, 22046), (1460, 21593), (1510, 20878), (1606, 19630), (1661, 18980), (1898, 16610), (1963, 16060), (2860, 11023), (3020, 10439), (3212, 9815), (3322, 9490), (3796, 8305), (3926, 8030), (4015, 7852), (4745, 6644)]