159692780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19813}}^1$

素因数の和:19866

約数の個数: 48

約数和(自身を含む): 372820224

約数和(自身を除く): 213127444

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, 19813, 39626, 79252, 99065, 198130, 257569, 396260, 515138, 614203, 1030276, 1228406, 1287845, 2456812, 2575690, 3071015, 5151380, 6142030, 7984639, 12284060, 15969278, 31938556, 39923195, 79846390, 159692780]

約数ペア:

[(1, 159692780), (2, 79846390), (4, 39923195), (5, 31938556), (10, 15969278), (13, 12284060), (20, 7984639), (26, 6142030), (31, 5151380), (52, 3071015), (62, 2575690), (65, 2456812), (124, 1287845), (130, 1228406), (155, 1030276), (260, 614203), (310, 515138), (403, 396260), (620, 257569), (806, 198130), (1612, 99065), (2015, 79252), (4030, 39626), (8060, 19813)]