647490080

素因数分解:

$2^5\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{3169}}^1$

素因数の和:4461

約数の個数: 48

約数和(自身を含む): 1531376280

約数和(自身を除く): 883886200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1277, 2554, 3169, 5108, 6338, 6385, 10216, 12676, 12770, 15845, 20432, 25352, 25540, 31690, 40864, 50704, 51080, 63380, 101408, 102160, 126760, 204320, 253520, 507040, 4046813, 8093626, 16187252, 20234065, 32374504, 40468130, 64749008, 80936260, 129498016, 161872520, 323745040, 647490080]

約数ペア:

[(1, 647490080), (2, 323745040), (4, 161872520), (5, 129498016), (8, 80936260), (10, 64749008), (16, 40468130), (20, 32374504), (32, 20234065), (40, 16187252), (80, 8093626), (160, 4046813), (1277, 507040), (2554, 253520), (3169, 204320), (5108, 126760), (6338, 102160), (6385, 101408), (10216, 63380), (12676, 51080), (12770, 50704), (15845, 40864), (20432, 31690), (25352, 25540)]