15667551920

素因数分解:

$2^4\times 5^1\times {\mathrm{11113}}^1\times {\mathrm{17623}}^1$

素因数の和:28749

約数の個数: 40

約数和(自身を含む): 36432403296

約数和(自身を除く): 20764851376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11113, 17623, 22226, 35246, 44452, 55565, 70492, 88115, 88904, 111130, 140984, 176230, 177808, 222260, 281968, 352460, 444520, 704920, 889040, 1409840, 195844399, 391688798, 783377596, 979221995, 1566755192, 1958443990, 3133510384, 3916887980, 7833775960, 15667551920]

約数ペア:

[(1, 15667551920), (2, 7833775960), (4, 3916887980), (5, 3133510384), (8, 1958443990), (10, 1566755192), (16, 979221995), (20, 783377596), (40, 391688798), (80, 195844399), (11113, 1409840), (17623, 889040), (22226, 704920), (35246, 444520), (44452, 352460), (55565, 281968), (70492, 222260), (88115, 177808), (88904, 176230), (111130, 140984)]