156534520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{29873}}^1$

素因数の和:30015

約数の個数: 32

約数和(自身を含む): 354903120

約数和(自身を除く): 198368600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 29873, 59746, 119492, 149365, 238984, 298730, 597460, 1194920, 3913363, 7826726, 15653452, 19566815, 31306904, 39133630, 78267260, 156534520]

約数ペア:

[(1, 156534520), (2, 78267260), (4, 39133630), (5, 31306904), (8, 19566815), (10, 15653452), (20, 7826726), (40, 3913363), (131, 1194920), (262, 597460), (524, 298730), (655, 238984), (1048, 149365), (1310, 119492), (2620, 59746), (5240, 29873)]