2020344560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{5869}}^1$

素因数の和:6226

約数の個数: 80

約数和(自身を含む): 5074779360

約数和(自身を除く): 3054434800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 331, 520, 662, 1040, 1324, 1655, 2648, 3310, 4303, 5296, 5869, 6620, 8606, 11738, 13240, 17212, 21515, 23476, 26480, 29345, 34424, 43030, 46952, 58690, 68848, 76297, 86060, 93904, 117380, 152594, 172120, 234760, 305188, 344240, 381485, 469520, 610376, 762970, 1220752, 1525940, 1942639, 3051880, 3885278, 6103760, 7770556, 9713195, 15541112, 19426390, 25254307, 31082224, 38852780, 50508614, 77705560, 101017228, 126271535, 155411120, 202034456, 252543070, 404068912, 505086140, 1010172280, 2020344560]

約数ペア:

[(1, 2020344560), (2, 1010172280), (4, 505086140), (5, 404068912), (8, 252543070), (10, 202034456), (13, 155411120), (16, 126271535), (20, 101017228), (26, 77705560), (40, 50508614), (52, 38852780), (65, 31082224), (80, 25254307), (104, 19426390), (130, 15541112), (208, 9713195), (260, 7770556), (331, 6103760), (520, 3885278), (662, 3051880), (1040, 1942639), (1324, 1525940), (1655, 1220752), (2648, 762970), (3310, 610376), (4303, 469520), (5296, 381485), (5869, 344240), (6620, 305188), (8606, 234760), (11738, 172120), (13240, 152594), (17212, 117380), (21515, 93904), (23476, 86060), (26480, 76297), (29345, 68848), (34424, 58690), (43030, 46952)]