31562620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 69120576

約数和(自身を除く): 37557956

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 631, 820, 1220, 1262, 2501, 2524, 3155, 5002, 6310, 10004, 12505, 12620, 25010, 25871, 38491, 50020, 51742, 76982, 103484, 129355, 153964, 192455, 258710, 384910, 517420, 769820, 1578131, 3156262, 6312524, 7890655, 15781310, 31562620]

約数ペア:

[(1, 31562620), (2, 15781310), (4, 7890655), (5, 6312524), (10, 3156262), (20, 1578131), (41, 769820), (61, 517420), (82, 384910), (122, 258710), (164, 192455), (205, 153964), (244, 129355), (305, 103484), (410, 76982), (610, 51742), (631, 50020), (820, 38491), (1220, 25871), (1262, 25010), (2501, 12620), (2524, 12505), (3155, 10004), (5002, 6310)]