86661740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 208631808

約数和(自身を除く): 121970068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 97, 110, 124, 131, 155, 194, 220, 262, 310, 341, 388, 485, 524, 620, 655, 682, 970, 1067, 1310, 1364, 1441, 1705, 1940, 2134, 2620, 2882, 3007, 3410, 4061, 4268, 5335, 5764, 6014, 6820, 7205, 8122, 10670, 12028, 12707, 14410, 15035, 16244, 20305, 21340, 25414, 28820, 30070, 33077, 40610, 44671, 50828, 60140, 63535, 66154, 81220, 89342, 127070, 132308, 139777, 165385, 178684, 223355, 254140, 279554, 330770, 393917, 446710, 559108, 661540, 698885, 787834, 893420, 1397770, 1575668, 1969585, 2795540, 3939170, 4333087, 7878340, 8666174, 17332348, 21665435, 43330870, 86661740]

約数ペア:

[(1, 86661740), (2, 43330870), (4, 21665435), (5, 17332348), (10, 8666174), (11, 7878340), (20, 4333087), (22, 3939170), (31, 2795540), (44, 1969585), (55, 1575668), (62, 1397770), (97, 893420), (110, 787834), (124, 698885), (131, 661540), (155, 559108), (194, 446710), (220, 393917), (262, 330770), (310, 279554), (341, 254140), (388, 223355), (485, 178684), (524, 165385), (620, 139777), (655, 132308), (682, 127070), (970, 89342), (1067, 81220), (1310, 66154), (1364, 63535), (1441, 60140), (1705, 50828), (1940, 44671), (2134, 40610), (2620, 33077), (2882, 30070), (3007, 28820), (3410, 25414), (4061, 21340), (4268, 20305), (5335, 16244), (5764, 15035), (6014, 14410), (6820, 12707), (7205, 12028), (8122, 10670)]