202201220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25087}}^1$

素因数の和:25140

約数の個数: 48

約数和(自身を含む): 472055808

約数和(自身を除く): 269854588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25087, 50174, 100348, 125435, 250870, 326131, 501740, 652262, 777697, 1304524, 1555394, 1630655, 3110788, 3261310, 3888485, 6522620, 7776970, 10110061, 15553940, 20220122, 40440244, 50550305, 101100610, 202201220]

約数ペア:

[(1, 202201220), (2, 101100610), (4, 50550305), (5, 40440244), (10, 20220122), (13, 15553940), (20, 10110061), (26, 7776970), (31, 6522620), (52, 3888485), (62, 3261310), (65, 3110788), (124, 1630655), (130, 1555394), (155, 1304524), (260, 777697), (310, 652262), (403, 501740), (620, 326131), (806, 250870), (1612, 125435), (2015, 100348), (4030, 50174), (8060, 25087)]