10640440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8581}}^1$

素因数の和:8623

約数の個数: 32

約数和(自身を含む): 24716160

約数和(自身を除く): 14075720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 8581, 17162, 34324, 42905, 68648, 85810, 171620, 266011, 343240, 532022, 1064044, 1330055, 2128088, 2660110, 5320220, 10640440]

約数ペア:

[(1, 10640440), (2, 5320220), (4, 2660110), (5, 2128088), (8, 1330055), (10, 1064044), (20, 532022), (31, 343240), (40, 266011), (62, 171620), (124, 85810), (155, 68648), (248, 42905), (310, 34324), (620, 17162), (1240, 8581)]