127492040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245177}}^1$

素因数の和:245201

約数の個数: 32

約数和(自身を含む): 308924280

約数和(自身を除く): 181432240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 245177, 490354, 980708, 1225885, 1961416, 2451770, 3187301, 4903540, 6374602, 9807080, 12749204, 15936505, 25498408, 31873010, 63746020, 127492040]

約数ペア:

[(1, 127492040), (2, 63746020), (4, 31873010), (5, 25498408), (8, 15936505), (10, 12749204), (13, 9807080), (20, 6374602), (26, 4903540), (40, 3187301), (52, 2451770), (65, 1961416), (104, 1225885), (130, 980708), (260, 490354), (520, 245177)]