90544640

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 80

約数和(自身を含む): 219715848

約数和(自身を除く): 129171208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 313, 320, 452, 512, 565, 626, 640, 904, 1130, 1252, 1280, 1565, 1808, 2260, 2504, 2560, 3130, 3616, 4520, 5008, 6260, 7232, 9040, 10016, 12520, 14464, 18080, 20032, 25040, 28928, 35369, 36160, 40064, 50080, 57856, 70738, 72320, 80128, 100160, 141476, 144640, 160256, 176845, 200320, 282952, 289280, 353690, 400640, 565904, 707380, 801280, 1131808, 1414760, 2263616, 2829520, 4527232, 5659040, 9054464, 11318080, 18108928, 22636160, 45272320, 90544640]

約数ペア:

[(1, 90544640), (2, 45272320), (4, 22636160), (5, 18108928), (8, 11318080), (10, 9054464), (16, 5659040), (20, 4527232), (32, 2829520), (40, 2263616), (64, 1414760), (80, 1131808), (113, 801280), (128, 707380), (160, 565904), (226, 400640), (256, 353690), (313, 289280), (320, 282952), (452, 200320), (512, 176845), (565, 160256), (626, 144640), (640, 141476), (904, 100160), (1130, 80128), (1252, 72320), (1280, 70738), (1565, 57856), (1808, 50080), (2260, 40064), (2504, 36160), (2560, 35369), (3130, 28928), (3616, 25040), (4520, 20032), (5008, 18080), (6260, 14464), (7232, 12520), (9040, 10016)]