71903000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5565

約数の個数: 64

約数和(自身を含む): 181228320

約数和(自身を除く): 109325320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 5531, 6500, 11062, 13000, 22124, 27655, 44248, 55310, 71903, 110620, 138275, 143806, 221240, 276550, 287612, 359515, 553100, 575224, 691375, 719030, 1106200, 1382750, 1438060, 1797575, 2765500, 2876120, 3595150, 5531000, 7190300, 8987875, 14380600, 17975750, 35951500, 71903000]

約数ペア:

[(1, 71903000), (2, 35951500), (4, 17975750), (5, 14380600), (8, 8987875), (10, 7190300), (13, 5531000), (20, 3595150), (25, 2876120), (26, 2765500), (40, 1797575), (50, 1438060), (52, 1382750), (65, 1106200), (100, 719030), (104, 691375), (125, 575224), (130, 553100), (200, 359515), (250, 287612), (260, 276550), (325, 221240), (500, 143806), (520, 138275), (650, 110620), (1000, 71903), (1300, 55310), (1625, 44248), (2600, 27655), (3250, 22124), (5531, 13000), (6500, 11062)]