7241000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 18280080

約数和(自身を除く): 11039080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 557, 650, 1000, 1114, 1300, 1625, 2228, 2600, 2785, 3250, 4456, 5570, 6500, 7241, 11140, 13000, 13925, 14482, 22280, 27850, 28964, 36205, 55700, 57928, 69625, 72410, 111400, 139250, 144820, 181025, 278500, 289640, 362050, 557000, 724100, 905125, 1448200, 1810250, 3620500, 7241000]

約数ペア:

[(1, 7241000), (2, 3620500), (4, 1810250), (5, 1448200), (8, 905125), (10, 724100), (13, 557000), (20, 362050), (25, 289640), (26, 278500), (40, 181025), (50, 144820), (52, 139250), (65, 111400), (100, 72410), (104, 69625), (125, 57928), (130, 55700), (200, 36205), (250, 28964), (260, 27850), (325, 22280), (500, 14482), (520, 13925), (557, 13000), (650, 11140), (1000, 7241), (1114, 6500), (1300, 5570), (1625, 4456), (2228, 3250), (2600, 2785)]