80411500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 192628800

約数和(自身を除く): 112217300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 125, 130, 139, 178, 250, 260, 278, 325, 356, 445, 500, 556, 650, 695, 890, 1157, 1300, 1390, 1625, 1780, 1807, 2225, 2314, 2780, 3250, 3475, 3614, 4450, 4628, 5785, 6500, 6950, 7228, 8900, 9035, 11125, 11570, 12371, 13900, 17375, 18070, 22250, 23140, 24742, 28925, 34750, 36140, 44500, 45175, 49484, 57850, 61855, 69500, 90350, 115700, 123710, 144625, 160823, 180700, 225875, 247420, 289250, 309275, 321646, 451750, 578500, 618550, 643292, 804115, 903500, 1237100, 1546375, 1608230, 3092750, 3216460, 4020575, 6185500, 8041150, 16082300, 20102875, 40205750, 80411500]

約数ペア:

[(1, 80411500), (2, 40205750), (4, 20102875), (5, 16082300), (10, 8041150), (13, 6185500), (20, 4020575), (25, 3216460), (26, 3092750), (50, 1608230), (52, 1546375), (65, 1237100), (89, 903500), (100, 804115), (125, 643292), (130, 618550), (139, 578500), (178, 451750), (250, 321646), (260, 309275), (278, 289250), (325, 247420), (356, 225875), (445, 180700), (500, 160823), (556, 144625), (650, 123710), (695, 115700), (890, 90350), (1157, 69500), (1300, 61855), (1390, 57850), (1625, 49484), (1780, 45175), (1807, 44500), (2225, 36140), (2314, 34750), (2780, 28925), (3250, 24742), (3475, 23140), (3614, 22250), (4450, 18070), (4628, 17375), (5785, 13900), (6500, 12371), (6950, 11570), (7228, 11125), (8900, 9035)]