2080978000

素因数分解:

$2^4\times 5^3\times {\mathrm{1040489}}^1$

素因数の和:1040512

約数の個数: 40

約数和(自身を含む): 5031809640

約数和(自身を除く): 2950831640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 1040489, 2080978, 4161956, 5202445, 8323912, 10404890, 16647824, 20809780, 26012225, 41619560, 52024450, 83239120, 104048900, 130061125, 208097800, 260122250, 416195600, 520244500, 1040489000, 2080978000]

約数ペア:

[(1, 2080978000), (2, 1040489000), (4, 520244500), (5, 416195600), (8, 260122250), (10, 208097800), (16, 130061125), (20, 104048900), (25, 83239120), (40, 52024450), (50, 41619560), (80, 26012225), (100, 20809780), (125, 16647824), (200, 10404890), (250, 8323912), (400, 5202445), (500, 4161956), (1000, 2080978), (2000, 1040489)]