40861520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 109600128

約数和(自身を除く): 68738608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 557, 560, 655, 917, 1048, 1114, 1310, 1834, 2096, 2228, 2620, 2785, 3668, 3899, 4456, 4585, 5240, 5570, 7336, 7798, 8912, 9170, 10480, 11140, 14672, 15596, 18340, 19495, 22280, 31192, 36680, 38990, 44560, 62384, 72967, 73360, 77980, 145934, 155960, 291868, 311920, 364835, 510769, 583736, 729670, 1021538, 1167472, 1459340, 2043076, 2553845, 2918680, 4086152, 5107690, 5837360, 8172304, 10215380, 20430760, 40861520]

約数ペア:

[(1, 40861520), (2, 20430760), (4, 10215380), (5, 8172304), (7, 5837360), (8, 5107690), (10, 4086152), (14, 2918680), (16, 2553845), (20, 2043076), (28, 1459340), (35, 1167472), (40, 1021538), (56, 729670), (70, 583736), (80, 510769), (112, 364835), (131, 311920), (140, 291868), (262, 155960), (280, 145934), (524, 77980), (557, 73360), (560, 72967), (655, 62384), (917, 44560), (1048, 38990), (1114, 36680), (1310, 31192), (1834, 22280), (2096, 19495), (2228, 18340), (2620, 15596), (2785, 14672), (3668, 11140), (3899, 10480), (4456, 9170), (4585, 8912), (5240, 7798), (5570, 7336)]