84821360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81559}}^1$

素因数の和:81585

約数の個数: 40

約数和(自身を含む): 212382240

約数和(自身を除く): 127560880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 81559, 163118, 326236, 407795, 652472, 815590, 1060267, 1304944, 1631180, 2120534, 3262360, 4241068, 5301335, 6524720, 8482136, 10602670, 16964272, 21205340, 42410680, 84821360]

約数ペア:

[(1, 84821360), (2, 42410680), (4, 21205340), (5, 16964272), (8, 10602670), (10, 8482136), (13, 6524720), (16, 5301335), (20, 4241068), (26, 3262360), (40, 2120534), (52, 1631180), (65, 1304944), (80, 1060267), (104, 815590), (130, 652472), (208, 407795), (260, 326236), (520, 163118), (1040, 81559)]