90288640

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2713}}^1$

素因数の和:2749

約数の個数: 80

約数和(自身を含む): 233219448

約数和(自身を除く): 142930808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 2713, 3328, 4160, 5426, 6656, 8320, 10852, 13565, 16640, 21704, 27130, 33280, 35269, 43408, 54260, 70538, 86816, 108520, 141076, 173632, 176345, 217040, 282152, 347264, 352690, 434080, 564304, 694528, 705380, 868160, 1128608, 1389056, 1410760, 1736320, 2257216, 2821520, 3472640, 4514432, 5643040, 6945280, 9028864, 11286080, 18057728, 22572160, 45144320, 90288640]

約数ペア:

[(1, 90288640), (2, 45144320), (4, 22572160), (5, 18057728), (8, 11286080), (10, 9028864), (13, 6945280), (16, 5643040), (20, 4514432), (26, 3472640), (32, 2821520), (40, 2257216), (52, 1736320), (64, 1410760), (65, 1389056), (80, 1128608), (104, 868160), (128, 705380), (130, 694528), (160, 564304), (208, 434080), (256, 352690), (260, 347264), (320, 282152), (416, 217040), (512, 176345), (520, 173632), (640, 141076), (832, 108520), (1040, 86816), (1280, 70538), (1664, 54260), (2080, 43408), (2560, 35269), (2713, 33280), (3328, 27130), (4160, 21704), (5426, 16640), (6656, 13565), (8320, 10852)]