16748660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 37013760

約数和(自身を除く): 20265100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 431, 580, 670, 862, 1340, 1724, 1943, 2155, 3886, 4310, 7772, 8620, 9715, 12499, 19430, 24998, 28877, 38860, 49996, 57754, 62495, 115508, 124990, 144385, 249980, 288770, 577540, 837433, 1674866, 3349732, 4187165, 8374330, 16748660]

約数ペア:

[(1, 16748660), (2, 8374330), (4, 4187165), (5, 3349732), (10, 1674866), (20, 837433), (29, 577540), (58, 288770), (67, 249980), (116, 144385), (134, 124990), (145, 115508), (268, 62495), (290, 57754), (335, 49996), (431, 38860), (580, 28877), (670, 24998), (862, 19430), (1340, 12499), (1724, 9715), (1943, 8620), (2155, 7772), (3886, 4310)]