886793960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21587}}^1$

素因数の和:21690

約数の個数: 64

約数和(自身を含む): 2176070400

約数和(自身を除く): 1289276440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 8216, 10270, 20540, 21587, 41080, 43174, 86348, 107935, 172696, 215870, 280631, 431740, 561262, 863480, 1122524, 1403155, 1705373, 2245048, 2806310, 3410746, 5612620, 6821492, 8526865, 11225240, 13642984, 17053730, 22169849, 34107460, 44339698, 68214920, 88679396, 110849245, 177358792, 221698490, 443396980, 886793960]

約数ペア:

[(1, 886793960), (2, 443396980), (4, 221698490), (5, 177358792), (8, 110849245), (10, 88679396), (13, 68214920), (20, 44339698), (26, 34107460), (40, 22169849), (52, 17053730), (65, 13642984), (79, 11225240), (104, 8526865), (130, 6821492), (158, 5612620), (260, 3410746), (316, 2806310), (395, 2245048), (520, 1705373), (632, 1403155), (790, 1122524), (1027, 863480), (1580, 561262), (2054, 431740), (3160, 280631), (4108, 215870), (5135, 172696), (8216, 107935), (10270, 86348), (20540, 43174), (21587, 41080)]