13192720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4457}}^1$

素因数の和:4507

約数の個数: 40

約数和(自身を含む): 31509144

約数和(自身を除く): 18316424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 4457, 8914, 17828, 22285, 35656, 44570, 71312, 89140, 164909, 178280, 329818, 356560, 659636, 824545, 1319272, 1649090, 2638544, 3298180, 6596360, 13192720]

約数ペア:

[(1, 13192720), (2, 6596360), (4, 3298180), (5, 2638544), (8, 1649090), (10, 1319272), (16, 824545), (20, 659636), (37, 356560), (40, 329818), (74, 178280), (80, 164909), (148, 89140), (185, 71312), (296, 44570), (370, 35656), (592, 22285), (740, 17828), (1480, 8914), (2960, 4457)]