208101400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{80039}}^1$

素因数の和:80068

約数の個数: 48

約数和(自身を含む): 521060400

約数和(自身を除く): 312959000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 80039, 160078, 320156, 400195, 640312, 800390, 1040507, 1600780, 2000975, 2081014, 3201560, 4001950, 4162028, 5202535, 8003900, 8324056, 10405070, 16007800, 20810140, 26012675, 41620280, 52025350, 104050700, 208101400]

約数ペア:

[(1, 208101400), (2, 104050700), (4, 52025350), (5, 41620280), (8, 26012675), (10, 20810140), (13, 16007800), (20, 10405070), (25, 8324056), (26, 8003900), (40, 5202535), (50, 4162028), (52, 4001950), (65, 3201560), (100, 2081014), (104, 2000975), (130, 1600780), (200, 1040507), (260, 800390), (325, 640312), (520, 400195), (650, 320156), (1300, 160078), (2600, 80039)]