40139840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9649}}^1$

素因数の和:9679

約数の個数: 56

約数和(自身を含む): 102946200

約数和(自身を除く): 62806360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 9649, 19298, 38596, 48245, 77192, 96490, 125437, 154384, 192980, 250874, 308768, 385960, 501748, 617536, 627185, 771920, 1003496, 1254370, 1543840, 2006992, 2508740, 3087680, 4013984, 5017480, 8027968, 10034960, 20069920, 40139840]

約数ペア:

[(1, 40139840), (2, 20069920), (4, 10034960), (5, 8027968), (8, 5017480), (10, 4013984), (13, 3087680), (16, 2508740), (20, 2006992), (26, 1543840), (32, 1254370), (40, 1003496), (52, 771920), (64, 627185), (65, 617536), (80, 501748), (104, 385960), (130, 308768), (160, 250874), (208, 192980), (260, 154384), (320, 125437), (416, 96490), (520, 77192), (832, 48245), (1040, 38596), (2080, 19298), (4160, 9649)]