86965840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83621}}^1$

素因数の和:83647

約数の個数: 40

約数和(自身を含む): 217751688

約数和(自身を除く): 130785848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 83621, 167242, 334484, 418105, 668968, 836210, 1087073, 1337936, 1672420, 2174146, 3344840, 4348292, 5435365, 6689680, 8696584, 10870730, 17393168, 21741460, 43482920, 86965840]

約数ペア:

[(1, 86965840), (2, 43482920), (4, 21741460), (5, 17393168), (8, 10870730), (10, 8696584), (13, 6689680), (16, 5435365), (20, 4348292), (26, 3344840), (40, 2174146), (52, 1672420), (65, 1337936), (80, 1087073), (104, 836210), (130, 668968), (208, 418105), (260, 334484), (520, 167242), (1040, 83621)]