12165520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3709}}^1$

素因数の和:3763

約数の個数: 40

約数和(自身を含む): 28982520

約数和(自身を除く): 16817000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3709, 7418, 14836, 18545, 29672, 37090, 59344, 74180, 148360, 152069, 296720, 304138, 608276, 760345, 1216552, 1520690, 2433104, 3041380, 6082760, 12165520]

約数ペア:

[(1, 12165520), (2, 6082760), (4, 3041380), (5, 2433104), (8, 1520690), (10, 1216552), (16, 760345), (20, 608276), (40, 304138), (41, 296720), (80, 152069), (82, 148360), (164, 74180), (205, 59344), (328, 37090), (410, 29672), (656, 18545), (820, 14836), (1640, 7418), (3280, 3709)]