90669280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43591}}^1$

素因数の和:43619

約数の個数: 48

約数和(自身を含む): 230688864

約数和(自身を除く): 140019584

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, 43591, 87182, 174364, 217955, 348728, 435910, 566683, 697456, 871820, 1133366, 1394912, 1743640, 2266732, 2833415, 3487280, 4533464, 5666830, 6974560, 9066928, 11333660, 18133856, 22667320, 45334640, 90669280]

約数ペア:

[(1, 90669280), (2, 45334640), (4, 22667320), (5, 18133856), (8, 11333660), (10, 9066928), (13, 6974560), (16, 5666830), (20, 4533464), (26, 3487280), (32, 2833415), (40, 2266732), (52, 1743640), (65, 1394912), (80, 1133366), (104, 871820), (130, 697456), (160, 566683), (208, 435910), (260, 348728), (416, 217955), (520, 174364), (1040, 87182), (2080, 43591)]