68728750

素因数分解:

$2^1\times 5^4\times {\mathrm{54983}}^1$

素因数の和:55005

約数の個数: 20

約数和(自身を含む): 128827512

約数和(自身を除く): 60098762

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 54983, 109966, 274915, 549830, 1374575, 2749150, 6872875, 13745750, 34364375, 68728750]

約数ペア:

[(1, 68728750), (2, 34364375), (5, 13745750), (10, 6872875), (25, 2749150), (50, 1374575), (125, 549830), (250, 274915), (625, 109966), (1250, 54983)]