2800496680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1\times {\mathrm{1609}}^1$

素因数の和:2494

約数の個数: 64

約数和(自身を含む): 6431821200

約数和(自身を除く): 3631324520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 821, 1060, 1609, 1642, 2120, 3218, 3284, 4105, 6436, 6568, 8045, 8210, 12872, 16090, 16420, 32180, 32840, 43513, 64360, 85277, 87026, 170554, 174052, 217565, 341108, 348104, 426385, 435130, 682216, 852770, 870260, 1320989, 1705540, 1740520, 2641978, 3411080, 5283956, 6604945, 10567912, 13209890, 26419780, 52839560, 70012417, 140024834, 280049668, 350062085, 560099336, 700124170, 1400248340, 2800496680]

約数ペア:

[(1, 2800496680), (2, 1400248340), (4, 700124170), (5, 560099336), (8, 350062085), (10, 280049668), (20, 140024834), (40, 70012417), (53, 52839560), (106, 26419780), (212, 13209890), (265, 10567912), (424, 6604945), (530, 5283956), (821, 3411080), (1060, 2641978), (1609, 1740520), (1642, 1705540), (2120, 1320989), (3218, 870260), (3284, 852770), (4105, 682216), (6436, 435130), (6568, 426385), (8045, 348104), (8210, 341108), (12872, 217565), (16090, 174052), (16420, 170554), (32180, 87026), (32840, 85277), (43513, 64360)]