64295320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 153252000

約数和(自身を除く): 88956680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 860, 1160, 1247, 1289, 1720, 2494, 2578, 4988, 5156, 6235, 6445, 9976, 10312, 12470, 12890, 24940, 25780, 37381, 49880, 51560, 55427, 74762, 110854, 149524, 186905, 221708, 277135, 299048, 373810, 443416, 554270, 747620, 1108540, 1495240, 1607383, 2217080, 3214766, 6429532, 8036915, 12859064, 16073830, 32147660, 64295320]

約数ペア:

[(1, 64295320), (2, 32147660), (4, 16073830), (5, 12859064), (8, 8036915), (10, 6429532), (20, 3214766), (29, 2217080), (40, 1607383), (43, 1495240), (58, 1108540), (86, 747620), (116, 554270), (145, 443416), (172, 373810), (215, 299048), (232, 277135), (290, 221708), (344, 186905), (430, 149524), (580, 110854), (860, 74762), (1160, 55427), (1247, 51560), (1289, 49880), (1720, 37381), (2494, 25780), (2578, 24940), (4988, 12890), (5156, 12470), (6235, 10312), (6445, 9976)]