520028960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26861}}^1$

素因数の和:26898

約数の個数: 72

約数和(自身を含む): 1350460188

約数和(自身を除く): 830431228

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 26861, 53722, 107444, 134305, 214888, 268610, 295471, 429776, 537220, 590942, 859552, 1074440, 1181884, 1477355, 2148880, 2363768, 2954710, 3250181, 4297760, 4727536, 5909420, 6500362, 9455072, 11818840, 13000724, 16250905, 23637680, 26001448, 32501810, 47275360, 52002896, 65003620, 104005792, 130007240, 260014480, 520028960]

約数ペア:

[(1, 520028960), (2, 260014480), (4, 130007240), (5, 104005792), (8, 65003620), (10, 52002896), (11, 47275360), (16, 32501810), (20, 26001448), (22, 23637680), (32, 16250905), (40, 13000724), (44, 11818840), (55, 9455072), (80, 6500362), (88, 5909420), (110, 4727536), (121, 4297760), (160, 3250181), (176, 2954710), (220, 2363768), (242, 2148880), (352, 1477355), (440, 1181884), (484, 1074440), (605, 859552), (880, 590942), (968, 537220), (1210, 429776), (1760, 295471), (1936, 268610), (2420, 214888), (3872, 134305), (4840, 107444), (9680, 53722), (19360, 26861)]