7962490040

素因数分解:

$2^3\times 5^1\times {\mathrm{19381}}^1\times {\mathrm{10271}}^1$

素因数の和:29663

約数の個数: 32

約数和(自身を含む): 17918271360

約数和(自身を除く): 9955781320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10271, 19381, 20542, 38762, 41084, 51355, 77524, 82168, 96905, 102710, 155048, 193810, 205420, 387620, 410840, 775240, 199062251, 398124502, 796249004, 995311255, 1592498008, 1990622510, 3981245020, 7962490040]

約数ペア:

[(1, 7962490040), (2, 3981245020), (4, 1990622510), (5, 1592498008), (8, 995311255), (10, 796249004), (20, 398124502), (40, 199062251), (10271, 775240), (19381, 410840), (20542, 387620), (38762, 205420), (41084, 193810), (51355, 155048), (77524, 102710), (82168, 96905)]