8518818980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{42641}}^1$

素因数の和:44084

約数の個数: 48

約数和(自身を含む): 20459972736

約数和(自身を除く): 11941153756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1427, 2854, 5708, 7135, 9989, 14270, 19978, 28540, 39956, 42641, 49945, 85282, 99890, 170564, 199780, 213205, 298487, 426410, 596974, 852820, 1193948, 1492435, 2984870, 5969740, 60848707, 121697414, 243394828, 304243535, 425940949, 608487070, 851881898, 1216974140, 1703763796, 2129704745, 4259409490, 8518818980]

約数ペア:

[(1, 8518818980), (2, 4259409490), (4, 2129704745), (5, 1703763796), (7, 1216974140), (10, 851881898), (14, 608487070), (20, 425940949), (28, 304243535), (35, 243394828), (70, 121697414), (140, 60848707), (1427, 5969740), (2854, 2984870), (5708, 1492435), (7135, 1193948), (9989, 852820), (14270, 596974), (19978, 426410), (28540, 298487), (39956, 213205), (42641, 199780), (49945, 170564), (85282, 99890)]