90966640

素因数分解:

$2^4\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1471}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 211915008

約数和(自身を除く): 120948368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 773, 1471, 1546, 2942, 3092, 3865, 5884, 6184, 7355, 7730, 11768, 12368, 14710, 15460, 23536, 29420, 30920, 58840, 61840, 117680, 1137083, 2274166, 4548332, 5685415, 9096664, 11370830, 18193328, 22741660, 45483320, 90966640]

約数ペア:

[(1, 90966640), (2, 45483320), (4, 22741660), (5, 18193328), (8, 11370830), (10, 9096664), (16, 5685415), (20, 4548332), (40, 2274166), (80, 1137083), (773, 117680), (1471, 61840), (1546, 58840), (2942, 30920), (3092, 29420), (3865, 23536), (5884, 15460), (6184, 14710), (7355, 12368), (7730, 11768)]