51008720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1252

約数の個数: 80

約数和(自身を含む): 137372160

約数和(自身を除く): 86363440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1153, 1264, 1580, 2212, 2306, 2765, 3160, 4424, 4612, 5530, 5765, 6320, 8071, 8848, 9224, 11060, 11530, 16142, 18448, 22120, 23060, 32284, 40355, 44240, 46120, 64568, 80710, 91087, 92240, 129136, 161420, 182174, 322840, 364348, 455435, 637609, 645680, 728696, 910870, 1275218, 1457392, 1821740, 2550436, 3188045, 3643480, 5100872, 6376090, 7286960, 10201744, 12752180, 25504360, 51008720]

約数ペア:

[(1, 51008720), (2, 25504360), (4, 12752180), (5, 10201744), (7, 7286960), (8, 6376090), (10, 5100872), (14, 3643480), (16, 3188045), (20, 2550436), (28, 1821740), (35, 1457392), (40, 1275218), (56, 910870), (70, 728696), (79, 645680), (80, 637609), (112, 455435), (140, 364348), (158, 322840), (280, 182174), (316, 161420), (395, 129136), (553, 92240), (560, 91087), (632, 80710), (790, 64568), (1106, 46120), (1153, 44240), (1264, 40355), (1580, 32284), (2212, 23060), (2306, 22120), (2765, 18448), (3160, 16142), (4424, 11530), (4612, 11060), (5530, 9224), (5765, 8848), (6320, 8071)]