2008102480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{678413}}^1$

素因数の和:678463

約数の個数: 40

約数和(自身を含む): 4795030152

約数和(自身を除く): 2786927672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 678413, 1356826, 2713652, 3392065, 5427304, 6784130, 10854608, 13568260, 25101281, 27136520, 50202562, 54273040, 100405124, 125506405, 200810248, 251012810, 401620496, 502025620, 1004051240, 2008102480]

約数ペア:

[(1, 2008102480), (2, 1004051240), (4, 502025620), (5, 401620496), (8, 251012810), (10, 200810248), (16, 125506405), (20, 100405124), (37, 54273040), (40, 50202562), (74, 27136520), (80, 25101281), (148, 13568260), (185, 10854608), (296, 6784130), (370, 5427304), (592, 3392065), (740, 2713652), (1480, 1356826), (2960, 678413)]