28694900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22073}}^1$

素因数の和:22100

約数の個数: 36

約数和(自身を含む): 67060812

約数和(自身を除く): 38365912

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22073, 44146, 88292, 110365, 220730, 286949, 441460, 551825, 573898, 1103650, 1147796, 1434745, 2207300, 2869490, 5738980, 7173725, 14347450, 28694900]

約数ペア:

[(1, 28694900), (2, 14347450), (4, 7173725), (5, 5738980), (10, 2869490), (13, 2207300), (20, 1434745), (25, 1147796), (26, 1103650), (50, 573898), (52, 551825), (65, 441460), (100, 286949), (130, 220730), (260, 110365), (325, 88292), (650, 44146), (1300, 22073)]