7937320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3325

約数の個数: 32

約数和(自身を含む): 18157320

約数和(自身を除く): 10220000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3253, 6506, 13012, 16265, 26024, 32530, 65060, 130120, 198433, 396866, 793732, 992165, 1587464, 1984330, 3968660, 7937320]

約数ペア:

[(1, 7937320), (2, 3968660), (4, 1984330), (5, 1587464), (8, 992165), (10, 793732), (20, 396866), (40, 198433), (61, 130120), (122, 65060), (244, 32530), (305, 26024), (488, 16265), (610, 13012), (1220, 6506), (2440, 3253)]