40368640

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1249

約数の個数: 80

約数和(自身を含む): 104321448

約数和(自身を除く): 63952808

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, 1213, 1280, 1664, 2080, 2426, 2560, 3328, 4160, 4852, 6065, 6656, 8320, 9704, 12130, 15769, 16640, 19408, 24260, 31538, 33280, 38816, 48520, 63076, 77632, 78845, 97040, 126152, 155264, 157690, 194080, 252304, 310528, 315380, 388160, 504608, 621056, 630760, 776320, 1009216, 1261520, 1552640, 2018432, 2523040, 3105280, 4036864, 5046080, 8073728, 10092160, 20184320, 40368640]

約数ペア:

[(1, 40368640), (2, 20184320), (4, 10092160), (5, 8073728), (8, 5046080), (10, 4036864), (13, 3105280), (16, 2523040), (20, 2018432), (26, 1552640), (32, 1261520), (40, 1009216), (52, 776320), (64, 630760), (65, 621056), (80, 504608), (104, 388160), (128, 315380), (130, 310528), (160, 252304), (208, 194080), (256, 157690), (260, 155264), (320, 126152), (416, 97040), (512, 78845), (520, 77632), (640, 63076), (832, 48520), (1040, 38816), (1213, 33280), (1280, 31538), (1664, 24260), (2080, 19408), (2426, 16640), (2560, 15769), (3328, 12130), (4160, 9704), (4852, 8320), (6065, 6656)]