80590900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1393

約数の個数: 72

約数和(自身を含む): 192487680

約数和(自身を除く): 111896780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 470, 611, 650, 940, 1175, 1222, 1300, 1319, 2350, 2444, 2638, 3055, 4700, 5276, 6110, 6595, 12220, 13190, 15275, 17147, 26380, 30550, 32975, 34294, 61100, 61993, 65950, 68588, 85735, 123986, 131900, 171470, 247972, 309965, 342940, 428675, 619930, 805909, 857350, 1239860, 1549825, 1611818, 1714700, 3099650, 3223636, 4029545, 6199300, 8059090, 16118180, 20147725, 40295450, 80590900]

約数ペア:

[(1, 80590900), (2, 40295450), (4, 20147725), (5, 16118180), (10, 8059090), (13, 6199300), (20, 4029545), (25, 3223636), (26, 3099650), (47, 1714700), (50, 1611818), (52, 1549825), (65, 1239860), (94, 857350), (100, 805909), (130, 619930), (188, 428675), (235, 342940), (260, 309965), (325, 247972), (470, 171470), (611, 131900), (650, 123986), (940, 85735), (1175, 68588), (1222, 65950), (1300, 61993), (1319, 61100), (2350, 34294), (2444, 32975), (2638, 30550), (3055, 26380), (4700, 17147), (5276, 15275), (6110, 13190), (6595, 12220)]