49577680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19991}}^1$

素因数の和:20035

約数の個数: 40

約数和(自身を含む): 118992384

約数和(自身を除く): 69414704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 19991, 39982, 79964, 99955, 159928, 199910, 319856, 399820, 619721, 799640, 1239442, 1599280, 2478884, 3098605, 4957768, 6197210, 9915536, 12394420, 24788840, 49577680]

約数ペア:

[(1, 49577680), (2, 24788840), (4, 12394420), (5, 9915536), (8, 6197210), (10, 4957768), (16, 3098605), (20, 2478884), (31, 1599280), (40, 1239442), (62, 799640), (80, 619721), (124, 399820), (155, 319856), (248, 199910), (310, 159928), (496, 99955), (620, 79964), (1240, 39982), (2480, 19991)]