87371440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84011}}^1$

素因数の和:84037

約数の個数: 40

約数和(自身を含む): 218767248

約数和(自身を除く): 131395808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 84011, 168022, 336044, 420055, 672088, 840110, 1092143, 1344176, 1680220, 2184286, 3360440, 4368572, 5460715, 6720880, 8737144, 10921430, 17474288, 21842860, 43685720, 87371440]

約数ペア:

[(1, 87371440), (2, 43685720), (4, 21842860), (5, 17474288), (8, 10921430), (10, 8737144), (13, 6720880), (16, 5460715), (20, 4368572), (26, 3360440), (40, 2184286), (52, 1680220), (65, 1344176), (80, 1092143), (104, 840110), (130, 672088), (208, 420055), (260, 336044), (520, 168022), (1040, 84011)]