61999990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6037}}^1$

素因数の和:6136

約数の個数: 32

約数和(自身を含む): 121726080

約数和(自身を除く): 59726090

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 6037, 10270, 12074, 30185, 60370, 78481, 156962, 392405, 476923, 784810, 953846, 2384615, 4769230, 6199999, 12399998, 30999995, 61999990]

約数ペア:

[(1, 61999990), (2, 30999995), (5, 12399998), (10, 6199999), (13, 4769230), (26, 2384615), (65, 953846), (79, 784810), (130, 476923), (158, 392405), (395, 156962), (790, 78481), (1027, 60370), (2054, 30185), (5135, 12074), (6037, 10270)]