40637900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13109}}^1$

素因数の和:13154

約数の個数: 36

約数和(自身を含む): 91035840

約数和(自身を除く): 50397940

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 13109, 26218, 52436, 65545, 131090, 262180, 327725, 406379, 655450, 812758, 1310900, 1625516, 2031895, 4063790, 8127580, 10159475, 20318950, 40637900]

約数ペア:

[(1, 40637900), (2, 20318950), (4, 10159475), (5, 8127580), (10, 4063790), (20, 2031895), (25, 1625516), (31, 1310900), (50, 812758), (62, 655450), (100, 406379), (124, 327725), (155, 262180), (310, 131090), (620, 65545), (775, 52436), (1550, 26218), (3100, 13109)]