18222100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 43309728

約数和(自身を除く): 25087628

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 107, 130, 131, 214, 260, 262, 325, 428, 524, 535, 650, 655, 1070, 1300, 1310, 1391, 1703, 2140, 2620, 2675, 2782, 3275, 3406, 5350, 5564, 6550, 6812, 6955, 8515, 10700, 13100, 13910, 14017, 17030, 27820, 28034, 34060, 34775, 42575, 56068, 69550, 70085, 85150, 139100, 140170, 170300, 182221, 280340, 350425, 364442, 700850, 728884, 911105, 1401700, 1822210, 3644420, 4555525, 9111050, 18222100]

約数ペア:

[(1, 18222100), (2, 9111050), (4, 4555525), (5, 3644420), (10, 1822210), (13, 1401700), (20, 911105), (25, 728884), (26, 700850), (50, 364442), (52, 350425), (65, 280340), (100, 182221), (107, 170300), (130, 140170), (131, 139100), (214, 85150), (260, 70085), (262, 69550), (325, 56068), (428, 42575), (524, 34775), (535, 34060), (650, 28034), (655, 27820), (1070, 17030), (1300, 14017), (1310, 13910), (1391, 13100), (1703, 10700), (2140, 8515), (2620, 6955), (2675, 6812), (2782, 6550), (3275, 5564), (3406, 5350)]