1395996920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{420481}}^1$

素因数の和:420575

約数の個数: 32

約数和(自身を含む): 3178843920

約数和(自身を除く): 1782847000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 420481, 840962, 1681924, 2102405, 3363848, 4204810, 8409620, 16819240, 34899923, 69799846, 139599692, 174499615, 279199384, 348999230, 697998460, 1395996920]

約数ペア:

[(1, 1395996920), (2, 697998460), (4, 348999230), (5, 279199384), (8, 174499615), (10, 139599692), (20, 69799846), (40, 34899923), (83, 16819240), (166, 8409620), (332, 4204810), (415, 3363848), (664, 2102405), (830, 1681924), (1660, 840962), (3320, 420481)]