165204580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 376169472

約数和(自身を除く): 210964892

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 67, 82, 97, 124, 134, 155, 164, 194, 205, 268, 310, 335, 388, 410, 485, 620, 670, 820, 970, 1271, 1340, 1940, 2077, 2542, 2747, 3007, 3977, 4154, 5084, 5494, 6014, 6355, 6499, 7954, 8308, 10385, 10988, 12028, 12710, 12998, 13735, 15035, 15908, 19885, 20770, 25420, 25996, 27470, 30070, 32495, 39770, 41540, 54940, 60140, 64990, 79540, 85157, 123287, 129980, 170314, 201469, 246574, 266459, 340628, 402938, 425785, 493148, 532918, 616435, 805876, 851570, 1007345, 1065836, 1232870, 1332295, 1703140, 2014690, 2465740, 2664590, 4029380, 5329180, 8260229, 16520458, 33040916, 41301145, 82602290, 165204580]

約数ペア:

[(1, 165204580), (2, 82602290), (4, 41301145), (5, 33040916), (10, 16520458), (20, 8260229), (31, 5329180), (41, 4029380), (62, 2664590), (67, 2465740), (82, 2014690), (97, 1703140), (124, 1332295), (134, 1232870), (155, 1065836), (164, 1007345), (194, 851570), (205, 805876), (268, 616435), (310, 532918), (335, 493148), (388, 425785), (410, 402938), (485, 340628), (620, 266459), (670, 246574), (820, 201469), (970, 170314), (1271, 129980), (1340, 123287), (1940, 85157), (2077, 79540), (2542, 64990), (2747, 60140), (3007, 54940), (3977, 41540), (4154, 39770), (5084, 32495), (5494, 30070), (6014, 27470), (6355, 25996), (6499, 25420), (7954, 20770), (8308, 19885), (10385, 15908), (10988, 15035), (12028, 13735), (12710, 12998)]