9540020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 23200128

約数和(自身を除く): 13660108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 821, 830, 1162, 1642, 1660, 2324, 2905, 3284, 4105, 5747, 5810, 8210, 11494, 11620, 16420, 22988, 28735, 57470, 68143, 114940, 136286, 272572, 340715, 477001, 681430, 954002, 1362860, 1908004, 2385005, 4770010, 9540020]

約数ペア:

[(1, 9540020), (2, 4770010), (4, 2385005), (5, 1908004), (7, 1362860), (10, 954002), (14, 681430), (20, 477001), (28, 340715), (35, 272572), (70, 136286), (83, 114940), (140, 68143), (166, 57470), (332, 28735), (415, 22988), (581, 16420), (821, 11620), (830, 11494), (1162, 8210), (1642, 5810), (1660, 5747), (2324, 4105), (2905, 3284)]