51668980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 127733760

約数和(自身を除く): 76064780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 94, 95, 110, 188, 190, 209, 220, 235, 263, 380, 418, 470, 517, 526, 836, 893, 940, 1034, 1045, 1052, 1315, 1786, 2068, 2090, 2585, 2630, 2893, 3572, 4180, 4465, 4997, 5170, 5260, 5786, 8930, 9823, 9994, 10340, 11572, 12361, 14465, 17860, 19646, 19988, 24722, 24985, 28930, 39292, 49115, 49444, 49970, 54967, 57860, 61805, 98230, 99940, 109934, 123610, 135971, 196460, 219868, 234859, 247220, 271942, 274835, 469718, 543884, 549670, 679855, 939436, 1099340, 1174295, 1359710, 2348590, 2583449, 2719420, 4697180, 5166898, 10333796, 12917245, 25834490, 51668980]

約数ペア:

[(1, 51668980), (2, 25834490), (4, 12917245), (5, 10333796), (10, 5166898), (11, 4697180), (19, 2719420), (20, 2583449), (22, 2348590), (38, 1359710), (44, 1174295), (47, 1099340), (55, 939436), (76, 679855), (94, 549670), (95, 543884), (110, 469718), (188, 274835), (190, 271942), (209, 247220), (220, 234859), (235, 219868), (263, 196460), (380, 135971), (418, 123610), (470, 109934), (517, 99940), (526, 98230), (836, 61805), (893, 57860), (940, 54967), (1034, 49970), (1045, 49444), (1052, 49115), (1315, 39292), (1786, 28930), (2068, 24985), (2090, 24722), (2585, 19988), (2630, 19646), (2893, 17860), (3572, 14465), (4180, 12361), (4465, 11572), (4997, 10340), (5170, 9994), (5260, 9823), (5786, 8930)]