31482620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6373}}^1$

素因数の和:6414

約数の個数: 48

約数和(自身を含む): 74958240

約数和(自身を除く): 43475620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 6373, 12746, 25492, 31865, 63730, 82849, 121087, 127460, 165698, 242174, 331396, 414245, 484348, 605435, 828490, 1210870, 1574131, 1656980, 2421740, 3148262, 6296524, 7870655, 15741310, 31482620]

約数ペア:

[(1, 31482620), (2, 15741310), (4, 7870655), (5, 6296524), (10, 3148262), (13, 2421740), (19, 1656980), (20, 1574131), (26, 1210870), (38, 828490), (52, 605435), (65, 484348), (76, 414245), (95, 331396), (130, 242174), (190, 165698), (247, 127460), (260, 121087), (380, 82849), (494, 63730), (988, 31865), (1235, 25492), (2470, 12746), (4940, 6373)]