40772920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12281}}^1$

素因数の和:12375

約数の個数: 32

約数和(自身を含む): 92851920

約数和(自身を除く): 52079000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 12281, 24562, 49124, 61405, 98248, 122810, 245620, 491240, 1019323, 2038646, 4077292, 5096615, 8154584, 10193230, 20386460, 40772920]

約数ペア:

[(1, 40772920), (2, 20386460), (4, 10193230), (5, 8154584), (8, 5096615), (10, 4077292), (20, 2038646), (40, 1019323), (83, 491240), (166, 245620), (332, 122810), (415, 98248), (664, 61405), (830, 49124), (1660, 24562), (3320, 12281)]