7205320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2953}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 16483320

約数和(自身を除く): 9278000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2953, 5906, 11812, 14765, 23624, 29530, 59060, 118120, 180133, 360266, 720532, 900665, 1441064, 1801330, 3602660, 7205320]

約数ペア:

[(1, 7205320), (2, 3602660), (4, 1801330), (5, 1441064), (8, 900665), (10, 720532), (20, 360266), (40, 180133), (61, 118120), (122, 59060), (244, 29530), (305, 23624), (488, 14765), (610, 11812), (1220, 5906), (2440, 2953)]