12721760

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3457}}^1$

素因数の和:3495

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 18649216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3457, 3680, 6914, 13828, 17285, 27656, 34570, 55312, 69140, 79511, 110624, 138280, 159022, 276560, 318044, 397555, 553120, 636088, 795110, 1272176, 1590220, 2544352, 3180440, 6360880, 12721760]

約数ペア:

[(1, 12721760), (2, 6360880), (4, 3180440), (5, 2544352), (8, 1590220), (10, 1272176), (16, 795110), (20, 636088), (23, 553120), (32, 397555), (40, 318044), (46, 276560), (80, 159022), (92, 138280), (115, 110624), (160, 79511), (184, 69140), (230, 55312), (368, 34570), (460, 27656), (736, 17285), (920, 13828), (1840, 6914), (3457, 3680)]