67402400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6514

約数の個数: 72

約数和(自身を含む): 177230844

約数和(自身を除く): 109828444

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 6481, 10400, 12962, 25924, 32405, 51848, 64810, 84253, 103696, 129620, 162025, 168506, 207392, 259240, 324050, 337012, 421265, 518480, 648100, 674024, 842530, 1036960, 1296200, 1348048, 1685060, 2106325, 2592400, 2696096, 3370120, 4212650, 5184800, 6740240, 8425300, 13480480, 16850600, 33701200, 67402400]

約数ペア:

[(1, 67402400), (2, 33701200), (4, 16850600), (5, 13480480), (8, 8425300), (10, 6740240), (13, 5184800), (16, 4212650), (20, 3370120), (25, 2696096), (26, 2592400), (32, 2106325), (40, 1685060), (50, 1348048), (52, 1296200), (65, 1036960), (80, 842530), (100, 674024), (104, 648100), (130, 518480), (160, 421265), (200, 337012), (208, 324050), (260, 259240), (325, 207392), (400, 168506), (416, 162025), (520, 129620), (650, 103696), (800, 84253), (1040, 64810), (1300, 51848), (2080, 32405), (2600, 25924), (5200, 12962), (6481, 10400)]