84645340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 195531840

約数和(自身を除く): 110886500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 169, 260, 316, 317, 338, 395, 634, 676, 790, 845, 1027, 1268, 1580, 1585, 1690, 2054, 3170, 3380, 4108, 4121, 5135, 6340, 8242, 10270, 13351, 16484, 20540, 20605, 25043, 26702, 41210, 50086, 53404, 53573, 66755, 82420, 100172, 107146, 125215, 133510, 214292, 250430, 267020, 267865, 325559, 500860, 535730, 651118, 1071460, 1302236, 1627795, 3255590, 4232267, 6511180, 8464534, 16929068, 21161335, 42322670, 84645340]

約数ペア:

[(1, 84645340), (2, 42322670), (4, 21161335), (5, 16929068), (10, 8464534), (13, 6511180), (20, 4232267), (26, 3255590), (52, 1627795), (65, 1302236), (79, 1071460), (130, 651118), (158, 535730), (169, 500860), (260, 325559), (316, 267865), (317, 267020), (338, 250430), (395, 214292), (634, 133510), (676, 125215), (790, 107146), (845, 100172), (1027, 82420), (1268, 66755), (1580, 53573), (1585, 53404), (1690, 50086), (2054, 41210), (3170, 26702), (3380, 25043), (4108, 20605), (4121, 20540), (5135, 16484), (6340, 13351), (8242, 10270)]