90454640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{30559}}^1$

素因数の和:30609

約数の個数: 40

約数和(自身を含む): 215998080

約数和(自身を除く): 125543440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 30559, 61118, 122236, 152795, 244472, 305590, 488944, 611180, 1130683, 1222360, 2261366, 2444720, 4522732, 5653415, 9045464, 11306830, 18090928, 22613660, 45227320, 90454640]

約数ペア:

[(1, 90454640), (2, 45227320), (4, 22613660), (5, 18090928), (8, 11306830), (10, 9045464), (16, 5653415), (20, 4522732), (37, 2444720), (40, 2261366), (74, 1222360), (80, 1130683), (148, 611180), (185, 488944), (296, 305590), (370, 244472), (592, 152795), (740, 122236), (1480, 61118), (2960, 30559)]