80884045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 122860800

約数和(自身を除く): 41976755

約数列:

[1, 5, 11, 17, 19, 29, 55, 85, 95, 145, 157, 187, 209, 319, 323, 493, 551, 785, 935, 1045, 1595, 1615, 1727, 2465, 2669, 2755, 2983, 3553, 4553, 5423, 6061, 8635, 9367, 13345, 14915, 17765, 22765, 27115, 29359, 30305, 32813, 46835, 50083, 50711, 77401, 86507, 103037, 146795, 164065, 250415, 253555, 387005, 432535, 515185, 557821, 851411, 951577, 1470619, 2789105, 4257055, 4757885, 7353095, 16176809, 80884045]

約数ペア:

[(1, 80884045), (5, 16176809), (11, 7353095), (17, 4757885), (19, 4257055), (29, 2789105), (55, 1470619), (85, 951577), (95, 851411), (145, 557821), (157, 515185), (187, 432535), (209, 387005), (319, 253555), (323, 250415), (493, 164065), (551, 146795), (785, 103037), (935, 86507), (1045, 77401), (1595, 50711), (1615, 50083), (1727, 46835), (2465, 32813), (2669, 30305), (2755, 29359), (2983, 27115), (3553, 22765), (4553, 17765), (5423, 14915), (6061, 13345), (8635, 9367)]