80226560

素因数分解:

$2^8\times 5^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 193709880

約数和(自身を除く): 113483320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 256, 269, 320, 466, 538, 640, 932, 1076, 1165, 1280, 1345, 1864, 2152, 2330, 2690, 3728, 4304, 4660, 5380, 7456, 8608, 9320, 10760, 14912, 17216, 18640, 21520, 29824, 34432, 37280, 43040, 59648, 62677, 68864, 74560, 86080, 125354, 149120, 172160, 250708, 298240, 313385, 344320, 501416, 626770, 1002832, 1253540, 2005664, 2507080, 4011328, 5014160, 8022656, 10028320, 16045312, 20056640, 40113280, 80226560]

約数ペア:

[(1, 80226560), (2, 40113280), (4, 20056640), (5, 16045312), (8, 10028320), (10, 8022656), (16, 5014160), (20, 4011328), (32, 2507080), (40, 2005664), (64, 1253540), (80, 1002832), (128, 626770), (160, 501416), (233, 344320), (256, 313385), (269, 298240), (320, 250708), (466, 172160), (538, 149120), (640, 125354), (932, 86080), (1076, 74560), (1165, 68864), (1280, 62677), (1345, 59648), (1864, 43040), (2152, 37280), (2330, 34432), (2690, 29824), (3728, 21520), (4304, 18640), (4660, 17216), (5380, 14912), (7456, 10760), (8608, 9320)]