12781644850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1034951}}^1$

素因数の和:1034995

約数の個数: 48

約数和(自身を含む): 26950150080

約数和(自身を除く): 14168505230

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 12350, 1034951, 2069902, 5174755, 10349510, 13454363, 19664069, 25873775, 26908726, 39328138, 51747550, 67271815, 98320345, 134543630, 196640690, 255632897, 336359075, 491601725, 511265794, 672718150, 983203450, 1278164485, 2556328970, 6390822425, 12781644850]

約数ペア:

[(1, 12781644850), (2, 6390822425), (5, 2556328970), (10, 1278164485), (13, 983203450), (19, 672718150), (25, 511265794), (26, 491601725), (38, 336359075), (50, 255632897), (65, 196640690), (95, 134543630), (130, 98320345), (190, 67271815), (247, 51747550), (325, 39328138), (475, 26908726), (494, 25873775), (650, 19664069), (950, 13454363), (1235, 10349510), (2470, 5174755), (6175, 2069902), (12350, 1034951)]