81459440270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10151}}^1\times {\mathrm{61729}}^1$

素因数の和:71900

約数の個数: 32

約数和(自身を含む): 157924105920

約数和(自身を除く): 76464665650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 10151, 20302, 50755, 61729, 101510, 123458, 131963, 263926, 308645, 617290, 659815, 802477, 1319630, 1604954, 4012385, 8024770, 626611079, 1253222158, 3133055395, 6266110790, 8145944027, 16291888054, 40729720135, 81459440270]

約数ペア:

[(1, 81459440270), (2, 40729720135), (5, 16291888054), (10, 8145944027), (13, 6266110790), (26, 3133055395), (65, 1253222158), (130, 626611079), (10151, 8024770), (20302, 4012385), (50755, 1604954), (61729, 1319630), (101510, 802477), (123458, 659815), (131963, 617290), (263926, 308645)]