88856560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85439}}^1$

素因数の和:85465

約数の個数: 40

約数和(自身を含む): 222485760

約数和(自身を除く): 133629200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 85439, 170878, 341756, 427195, 683512, 854390, 1110707, 1367024, 1708780, 2221414, 3417560, 4442828, 5553535, 6835120, 8885656, 11107070, 17771312, 22214140, 44428280, 88856560]

約数ペア:

[(1, 88856560), (2, 44428280), (4, 22214140), (5, 17771312), (8, 11107070), (10, 8885656), (13, 6835120), (16, 5553535), (20, 4442828), (26, 3417560), (40, 2221414), (52, 1708780), (65, 1367024), (80, 1110707), (104, 854390), (130, 683512), (208, 427195), (260, 341756), (520, 170878), (1040, 85439)]