28448940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36473}}^1$

素因数の和:36498

約数の個数: 48

約数和(自身を含む): 85786848

約数和(自身を除く): 57337908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36473, 72946, 109419, 145892, 182365, 218838, 364730, 437676, 474149, 547095, 729460, 948298, 1094190, 1422447, 1896596, 2188380, 2370745, 2844894, 4741490, 5689788, 7112235, 9482980, 14224470, 28448940]

約数ペア:

[(1, 28448940), (2, 14224470), (3, 9482980), (4, 7112235), (5, 5689788), (6, 4741490), (10, 2844894), (12, 2370745), (13, 2188380), (15, 1896596), (20, 1422447), (26, 1094190), (30, 948298), (39, 729460), (52, 547095), (60, 474149), (65, 437676), (78, 364730), (130, 218838), (156, 182365), (195, 145892), (260, 109419), (390, 72946), (780, 36473)]