65028160

素因数分解:

$2^6\times 5^1\times {\mathrm{203213}}^1$

素因数の和:203230

約数の個数: 28

約数和(自身を含む): 154849068

約数和(自身を除く): 89820908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203213, 406426, 812852, 1016065, 1625704, 2032130, 3251408, 4064260, 6502816, 8128520, 13005632, 16257040, 32514080, 65028160]

約数ペア:

[(1, 65028160), (2, 32514080), (4, 16257040), (5, 13005632), (8, 8128520), (10, 6502816), (16, 4064260), (20, 3251408), (32, 2032130), (40, 1625704), (64, 1016065), (80, 812852), (160, 406426), (320, 203213)]