40685440

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 98140320

約数和(自身を除く): 57454880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 421, 604, 640, 755, 842, 1208, 1510, 1684, 2105, 2416, 3020, 3368, 4210, 4832, 6040, 6736, 8420, 9664, 12080, 13472, 16840, 19328, 24160, 26944, 33680, 48320, 53888, 63571, 67360, 96640, 127142, 134720, 254284, 269440, 317855, 508568, 635710, 1017136, 1271420, 2034272, 2542840, 4068544, 5085680, 8137088, 10171360, 20342720, 40685440]

約数ペア:

[(1, 40685440), (2, 20342720), (4, 10171360), (5, 8137088), (8, 5085680), (10, 4068544), (16, 2542840), (20, 2034272), (32, 1271420), (40, 1017136), (64, 635710), (80, 508568), (128, 317855), (151, 269440), (160, 254284), (302, 134720), (320, 127142), (421, 96640), (604, 67360), (640, 63571), (755, 53888), (842, 48320), (1208, 33680), (1510, 26944), (1684, 24160), (2105, 19328), (2416, 16840), (3020, 13472), (3368, 12080), (4210, 9664), (4832, 8420), (6040, 6736)]