42985000

素因数分解:

$2^3\times 5^4\times {\mathrm{8597}}^1$

素因数の和:8623

約数の個数: 40

約数和(自身を含む): 100725570

約数和(自身を除く): 57740570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 8597, 17194, 34388, 42985, 68776, 85970, 171940, 214925, 343880, 429850, 859700, 1074625, 1719400, 2149250, 4298500, 5373125, 8597000, 10746250, 21492500, 42985000]

約数ペア:

[(1, 42985000), (2, 21492500), (4, 10746250), (5, 8597000), (8, 5373125), (10, 4298500), (20, 2149250), (25, 1719400), (40, 1074625), (50, 859700), (100, 429850), (125, 343880), (200, 214925), (250, 171940), (500, 85970), (625, 68776), (1000, 42985), (1250, 34388), (2500, 17194), (5000, 8597)]