42117920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20249}}^1$

素因数の和:20277

約数の個数: 48

約数和(自身を含む): 107163000

約数和(自身を除く): 65045080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20249, 40498, 80996, 101245, 161992, 202490, 263237, 323984, 404980, 526474, 647968, 809960, 1052948, 1316185, 1619920, 2105896, 2632370, 3239840, 4211792, 5264740, 8423584, 10529480, 21058960, 42117920]

約数ペア:

[(1, 42117920), (2, 21058960), (4, 10529480), (5, 8423584), (8, 5264740), (10, 4211792), (13, 3239840), (16, 2632370), (20, 2105896), (26, 1619920), (32, 1316185), (40, 1052948), (52, 809960), (65, 647968), (80, 526474), (104, 404980), (130, 323984), (160, 263237), (208, 202490), (260, 161992), (416, 101245), (520, 80996), (1040, 40498), (2080, 20249)]