89042000

素因数分解:

$2^4\times 5^3\times {\mathrm{211}}^2$

素因数の和:445

約数の個数: 60

約数和(自身を含む): 216328788

約数和(自身を除く): 127286788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 211, 250, 400, 422, 500, 844, 1000, 1055, 1688, 2000, 2110, 3376, 4220, 5275, 8440, 10550, 16880, 21100, 26375, 42200, 44521, 52750, 84400, 89042, 105500, 178084, 211000, 222605, 356168, 422000, 445210, 712336, 890420, 1113025, 1780840, 2226050, 3561680, 4452100, 5565125, 8904200, 11130250, 17808400, 22260500, 44521000, 89042000]

約数ペア:

[(1, 89042000), (2, 44521000), (4, 22260500), (5, 17808400), (8, 11130250), (10, 8904200), (16, 5565125), (20, 4452100), (25, 3561680), (40, 2226050), (50, 1780840), (80, 1113025), (100, 890420), (125, 712336), (200, 445210), (211, 422000), (250, 356168), (400, 222605), (422, 211000), (500, 178084), (844, 105500), (1000, 89042), (1055, 84400), (1688, 52750), (2000, 44521), (2110, 42200), (3376, 26375), (4220, 21100), (5275, 16880), (8440, 10550)]