64003750

素因数分解:

$2^1\times 5^4\times {\mathrm{51203}}^1$

素因数の和:51225

約数の個数: 20

約数和(自身を含む): 119970972

約数和(自身を除く): 55967222

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 51203, 102406, 256015, 512030, 1280075, 2560150, 6400375, 12800750, 32001875, 64003750]

約数ペア:

[(1, 64003750), (2, 32001875), (5, 12800750), (10, 6400375), (25, 2560150), (50, 1280075), (125, 512030), (250, 256015), (625, 102406), (1250, 51203)]