56639840

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4481}}^1$

素因数の和:4575

約数の個数: 48

約数和(自身を含む): 135535680

約数和(自身を除く): 78895840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 4481, 6320, 8962, 12640, 17924, 22405, 35848, 44810, 71696, 89620, 143392, 179240, 353999, 358480, 707998, 716960, 1415996, 1769995, 2831992, 3539990, 5663984, 7079980, 11327968, 14159960, 28319920, 56639840]

約数ペア:

[(1, 56639840), (2, 28319920), (4, 14159960), (5, 11327968), (8, 7079980), (10, 5663984), (16, 3539990), (20, 2831992), (32, 1769995), (40, 1415996), (79, 716960), (80, 707998), (158, 358480), (160, 353999), (316, 179240), (395, 143392), (632, 89620), (790, 71696), (1264, 44810), (1580, 35848), (2528, 22405), (3160, 17924), (4481, 12640), (6320, 8962)]