55147460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 119916720

約数和(自身を除く): 64769260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 617, 820, 1090, 1234, 2180, 2468, 3085, 4469, 6170, 8938, 12340, 17876, 22345, 25297, 44690, 50594, 67253, 89380, 101188, 126485, 134506, 252970, 269012, 336265, 505940, 672530, 1345060, 2757373, 5514746, 11029492, 13786865, 27573730, 55147460]

約数ペア:

[(1, 55147460), (2, 27573730), (4, 13786865), (5, 11029492), (10, 5514746), (20, 2757373), (41, 1345060), (82, 672530), (109, 505940), (164, 336265), (205, 269012), (218, 252970), (410, 134506), (436, 126485), (545, 101188), (617, 89380), (820, 67253), (1090, 50594), (1234, 44690), (2180, 25297), (2468, 22345), (3085, 17876), (4469, 12340), (6170, 8938)]