20149280525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{7603}}^1$

素因数の和:8066

約数の個数: 48

約数和(自身を含む): 28513175040

約数和(自身を除く): 8363894515

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 419, 575, 1265, 2095, 4609, 6325, 7603, 9637, 10475, 23045, 38015, 48185, 83633, 106007, 115225, 174869, 190075, 240925, 418165, 530035, 874345, 1923559, 2090825, 2650175, 3185657, 4371725, 9617795, 15928285, 35042227, 48088975, 73270111, 79641425, 175211135, 366350555, 805971221, 876055675, 1831752775, 4029856105, 20149280525]

約数ペア:

[(1, 20149280525), (5, 4029856105), (11, 1831752775), (23, 876055675), (25, 805971221), (55, 366350555), (115, 175211135), (253, 79641425), (275, 73270111), (419, 48088975), (575, 35042227), (1265, 15928285), (2095, 9617795), (4609, 4371725), (6325, 3185657), (7603, 2650175), (9637, 2090825), (10475, 1923559), (23045, 874345), (38015, 530035), (48185, 418165), (83633, 240925), (106007, 190075), (115225, 174869)]