9961520

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:773

約数の個数: 40

約数和(自身を含む): 23302080

約数和(自身を除く): 13340560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 521, 956, 1042, 1195, 1912, 2084, 2390, 2605, 3824, 4168, 4780, 5210, 8336, 9560, 10420, 19120, 20840, 41680, 124519, 249038, 498076, 622595, 996152, 1245190, 1992304, 2490380, 4980760, 9961520]

約数ペア:

[(1, 9961520), (2, 4980760), (4, 2490380), (5, 1992304), (8, 1245190), (10, 996152), (16, 622595), (20, 498076), (40, 249038), (80, 124519), (239, 41680), (478, 20840), (521, 19120), (956, 10420), (1042, 9560), (1195, 8336), (1912, 5210), (2084, 4780), (2390, 4168), (2605, 3824)]