40295920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 109421568

約数和(自身を除く): 69125648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1531, 1645, 1880, 2632, 3062, 3290, 3760, 5264, 6124, 6580, 7655, 10717, 12248, 13160, 15310, 21434, 24496, 26320, 30620, 42868, 53585, 61240, 71957, 85736, 107170, 122480, 143914, 171472, 214340, 287828, 359785, 428680, 503699, 575656, 719570, 857360, 1007398, 1151312, 1439140, 2014796, 2518495, 2878280, 4029592, 5036990, 5756560, 8059184, 10073980, 20147960, 40295920]

約数ペア:

[(1, 40295920), (2, 20147960), (4, 10073980), (5, 8059184), (7, 5756560), (8, 5036990), (10, 4029592), (14, 2878280), (16, 2518495), (20, 2014796), (28, 1439140), (35, 1151312), (40, 1007398), (47, 857360), (56, 719570), (70, 575656), (80, 503699), (94, 428680), (112, 359785), (140, 287828), (188, 214340), (235, 171472), (280, 143914), (329, 122480), (376, 107170), (470, 85736), (560, 71957), (658, 61240), (752, 53585), (940, 42868), (1316, 30620), (1531, 26320), (1645, 24496), (1880, 21434), (2632, 15310), (3062, 13160), (3290, 12248), (3760, 10717), (5264, 7655), (6124, 6580)]