9681366320

素因数分解:

$2^4\times 5^1\times {\mathrm{121017079}}^1$

素因数の和:121017092

約数の個数: 20

約数和(自身を含む): 22509176880

約数和(自身を除く): 12827810560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121017079, 242034158, 484068316, 605085395, 968136632, 1210170790, 1936273264, 2420341580, 4840683160, 9681366320]

約数ペア:

[(1, 9681366320), (2, 4840683160), (4, 2420341580), (5, 1936273264), (8, 1210170790), (10, 968136632), (16, 605085395), (20, 484068316), (40, 242034158), (80, 121017079)]