26410020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 92772288

約数和(自身を除く): 66362268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 691, 735, 780, 910, 980, 1092, 1274, 1365, 1382, 1470, 1820, 1911, 2073, 2548, 2730, 2764, 2940, 3185, 3455, 3822, 4146, 4837, 5460, 6370, 6910, 7644, 8292, 8983, 9555, 9674, 10365, 12740, 13820, 14511, 17966, 19110, 19348, 20730, 24185, 26949, 29022, 33859, 35932, 38220, 41460, 44915, 48370, 53898, 58044, 62881, 67718, 72555, 89830, 96740, 101577, 107796, 125762, 134745, 135436, 145110, 169295, 179660, 188643, 203154, 251524, 269490, 290220, 314405, 338590, 377286, 406308, 440167, 507885, 538980, 628810, 677180, 754572, 880334, 943215, 1015770, 1257620, 1320501, 1760668, 1886430, 2031540, 2200835, 2641002, 3772860, 4401670, 5282004, 6602505, 8803340, 13205010, 26410020]

約数ペア:

[(1, 26410020), (2, 13205010), (3, 8803340), (4, 6602505), (5, 5282004), (6, 4401670), (7, 3772860), (10, 2641002), (12, 2200835), (13, 2031540), (14, 1886430), (15, 1760668), (20, 1320501), (21, 1257620), (26, 1015770), (28, 943215), (30, 880334), (35, 754572), (39, 677180), (42, 628810), (49, 538980), (52, 507885), (60, 440167), (65, 406308), (70, 377286), (78, 338590), (84, 314405), (91, 290220), (98, 269490), (105, 251524), (130, 203154), (140, 188643), (147, 179660), (156, 169295), (182, 145110), (195, 135436), (196, 134745), (210, 125762), (245, 107796), (260, 101577), (273, 96740), (294, 89830), (364, 72555), (390, 67718), (420, 62881), (455, 58044), (490, 53898), (546, 48370), (588, 44915), (637, 41460), (691, 38220), (735, 35932), (780, 33859), (910, 29022), (980, 26949), (1092, 24185), (1274, 20730), (1365, 19348), (1382, 19110), (1470, 17966), (1820, 14511), (1911, 13820), (2073, 12740), (2548, 10365), (2730, 9674), (2764, 9555), (2940, 8983), (3185, 8292), (3455, 7644), (3822, 6910), (4146, 6370), (4837, 5460)]