31614920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3307}}^1$

素因数の和:3557

約数の個数: 32

約数和(自身を含む): 71452800

約数和(自身を除く): 39837880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 3307, 4780, 6614, 9560, 13228, 16535, 26456, 33070, 66140, 132280, 790373, 1580746, 3161492, 3951865, 6322984, 7903730, 15807460, 31614920]

約数ペア:

[(1, 31614920), (2, 15807460), (4, 7903730), (5, 6322984), (8, 3951865), (10, 3161492), (20, 1580746), (40, 790373), (239, 132280), (478, 66140), (956, 33070), (1195, 26456), (1912, 16535), (2390, 13228), (3307, 9560), (4780, 6614)]