164080580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{8147}}^1$

素因数の和:8228

約数の個数: 48

約数和(自身を含む): 369593280

約数和(自身を除く): 205512700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 8147, 10070, 16294, 20140, 32588, 40735, 81470, 154793, 162940, 309586, 431791, 619172, 773965, 863582, 1547930, 1727164, 2158955, 3095860, 4317910, 8204029, 8635820, 16408058, 32816116, 41020145, 82040290, 164080580]

約数ペア:

[(1, 164080580), (2, 82040290), (4, 41020145), (5, 32816116), (10, 16408058), (19, 8635820), (20, 8204029), (38, 4317910), (53, 3095860), (76, 2158955), (95, 1727164), (106, 1547930), (190, 863582), (212, 773965), (265, 619172), (380, 431791), (530, 309586), (1007, 162940), (1060, 154793), (2014, 81470), (4028, 40735), (5035, 32588), (8147, 20140), (10070, 16294)]