22497940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 49319424

約数和(自身を除く): 26821484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 277, 310, 524, 554, 620, 655, 1108, 1310, 1385, 2620, 2770, 4061, 5540, 8122, 8587, 16244, 17174, 20305, 34348, 36287, 40610, 42935, 72574, 81220, 85870, 145148, 171740, 181435, 362870, 725740, 1124897, 2249794, 4499588, 5624485, 11248970, 22497940]

約数ペア:

[(1, 22497940), (2, 11248970), (4, 5624485), (5, 4499588), (10, 2249794), (20, 1124897), (31, 725740), (62, 362870), (124, 181435), (131, 171740), (155, 145148), (262, 85870), (277, 81220), (310, 72574), (524, 42935), (554, 40610), (620, 36287), (655, 34348), (1108, 20305), (1310, 17174), (1385, 16244), (2620, 8587), (2770, 8122), (4061, 5540)]