4000750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 8072064

約数和(自身を除く): 4071314

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1231, 1625, 2462, 3250, 6155, 12310, 16003, 30775, 32006, 61550, 80015, 153875, 160030, 307750, 400075, 800150, 2000375, 4000750]

約数ペア:

[(1, 4000750), (2, 2000375), (5, 800150), (10, 400075), (13, 307750), (25, 160030), (26, 153875), (50, 80015), (65, 61550), (125, 32006), (130, 30775), (250, 16003), (325, 12310), (650, 6155), (1231, 3250), (1625, 2462)]