66702800

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1619}}^1$

素因数の和:1740

約数の個数: 60

約数和(自身を含む): 161909280

約数和(自身を除く): 95206480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 824, 1030, 1619, 1648, 2060, 2575, 3238, 4120, 5150, 6476, 8095, 8240, 10300, 12952, 16190, 20600, 25904, 32380, 40475, 41200, 64760, 80950, 129520, 161900, 166757, 323800, 333514, 647600, 667028, 833785, 1334056, 1667570, 2668112, 3335140, 4168925, 6670280, 8337850, 13340560, 16675700, 33351400, 66702800]

約数ペア:

[(1, 66702800), (2, 33351400), (4, 16675700), (5, 13340560), (8, 8337850), (10, 6670280), (16, 4168925), (20, 3335140), (25, 2668112), (40, 1667570), (50, 1334056), (80, 833785), (100, 667028), (103, 647600), (200, 333514), (206, 323800), (400, 166757), (412, 161900), (515, 129520), (824, 80950), (1030, 64760), (1619, 41200), (1648, 40475), (2060, 32380), (2575, 25904), (3238, 20600), (4120, 16190), (5150, 12952), (6476, 10300), (8095, 8240)]