66406960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26777}}^1$

素因数の和:26821

約数の個数: 40

約数和(自身を含む): 159382656

約数和(自身を除く): 92975696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26777, 53554, 107108, 133885, 214216, 267770, 428432, 535540, 830087, 1071080, 1660174, 2142160, 3320348, 4150435, 6640696, 8300870, 13281392, 16601740, 33203480, 66406960]

約数ペア:

[(1, 66406960), (2, 33203480), (4, 16601740), (5, 13281392), (8, 8300870), (10, 6640696), (16, 4150435), (20, 3320348), (31, 2142160), (40, 1660174), (62, 1071080), (80, 830087), (124, 535540), (155, 428432), (248, 267770), (310, 214216), (496, 133885), (620, 107108), (1240, 53554), (2480, 26777)]