40801930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16519}}^1$

素因数の和:16558

約数の個数: 32

約数和(自身を含む): 83260800

約数和(自身を除く): 42458870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 16519, 33038, 82595, 165190, 214747, 313861, 429494, 627722, 1073735, 1569305, 2147470, 3138610, 4080193, 8160386, 20400965, 40801930]

約数ペア:

[(1, 40801930), (2, 20400965), (5, 8160386), (10, 4080193), (13, 3138610), (19, 2147470), (26, 1569305), (38, 1073735), (65, 627722), (95, 429494), (130, 313861), (190, 214747), (247, 165190), (494, 82595), (1235, 33038), (2470, 16519)]