90225920

素因数分解:

$2^8\times 5^1\times {\mathrm{70489}}^1$

素因数の和:70510

約数の個数: 36

約数和(自身を含む): 216122340

約数和(自身を除く): 125896420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70489, 140978, 281956, 352445, 563912, 704890, 1127824, 1409780, 2255648, 2819560, 4511296, 5639120, 9022592, 11278240, 18045184, 22556480, 45112960, 90225920]

約数ペア:

[(1, 90225920), (2, 45112960), (4, 22556480), (5, 18045184), (8, 11278240), (10, 9022592), (16, 5639120), (20, 4511296), (32, 2819560), (40, 2255648), (64, 1409780), (80, 1127824), (128, 704890), (160, 563912), (256, 352445), (320, 281956), (640, 140978), (1280, 70489)]