25889360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 69745536

約数和(自身を除く): 43856176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 557, 560, 581, 664, 830, 1114, 1162, 1328, 1660, 2228, 2324, 2785, 2905, 3320, 3899, 4456, 4648, 5570, 5810, 6640, 7798, 8912, 9296, 11140, 11620, 15596, 19495, 22280, 23240, 31192, 38990, 44560, 46231, 46480, 62384, 77980, 92462, 155960, 184924, 231155, 311920, 323617, 369848, 462310, 647234, 739696, 924620, 1294468, 1618085, 1849240, 2588936, 3236170, 3698480, 5177872, 6472340, 12944680, 25889360]

約数ペア:

[(1, 25889360), (2, 12944680), (4, 6472340), (5, 5177872), (7, 3698480), (8, 3236170), (10, 2588936), (14, 1849240), (16, 1618085), (20, 1294468), (28, 924620), (35, 739696), (40, 647234), (56, 462310), (70, 369848), (80, 323617), (83, 311920), (112, 231155), (140, 184924), (166, 155960), (280, 92462), (332, 77980), (415, 62384), (557, 46480), (560, 46231), (581, 44560), (664, 38990), (830, 31192), (1114, 23240), (1162, 22280), (1328, 19495), (1660, 15596), (2228, 11620), (2324, 11140), (2785, 9296), (2905, 8912), (3320, 7798), (3899, 6640), (4456, 5810), (4648, 5570)]