4642280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2699}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 10692000

約数和(自身を除く): 6049720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2699, 5398, 10796, 13495, 21592, 26990, 53980, 107960, 116057, 232114, 464228, 580285, 928456, 1160570, 2321140, 4642280]

約数ペア:

[(1, 4642280), (2, 2321140), (4, 1160570), (5, 928456), (8, 580285), (10, 464228), (20, 232114), (40, 116057), (43, 107960), (86, 53980), (172, 26990), (215, 21592), (344, 13495), (430, 10796), (860, 5398), (1720, 2699)]