127231520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61169}}^1$

素因数の和:61197

約数の個数: 48

約数和(自身を含む): 323711640

約数和(自身を除く): 196480120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61169, 122338, 244676, 305845, 489352, 611690, 795197, 978704, 1223380, 1590394, 1957408, 2446760, 3180788, 3975985, 4893520, 6361576, 7951970, 9787040, 12723152, 15903940, 25446304, 31807880, 63615760, 127231520]

約数ペア:

[(1, 127231520), (2, 63615760), (4, 31807880), (5, 25446304), (8, 15903940), (10, 12723152), (13, 9787040), (16, 7951970), (20, 6361576), (26, 4893520), (32, 3975985), (40, 3180788), (52, 2446760), (65, 1957408), (80, 1590394), (104, 1223380), (130, 978704), (160, 795197), (208, 611690), (260, 489352), (416, 305845), (520, 244676), (1040, 122338), (2080, 61169)]