82581920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 209372688

約数和(自身を除く): 126790768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 97, 136, 160, 170, 194, 272, 313, 340, 388, 485, 544, 626, 680, 776, 970, 1252, 1360, 1552, 1565, 1649, 1940, 2504, 2720, 3104, 3130, 3298, 3880, 5008, 5321, 6260, 6596, 7760, 8245, 10016, 10642, 12520, 13192, 15520, 16490, 21284, 25040, 26384, 26605, 30361, 32980, 42568, 50080, 52768, 53210, 60722, 65960, 85136, 106420, 121444, 131920, 151805, 170272, 212840, 242888, 263840, 303610, 425680, 485776, 516137, 607220, 851360, 971552, 1032274, 1214440, 2064548, 2428880, 2580685, 4129096, 4857760, 5161370, 8258192, 10322740, 16516384, 20645480, 41290960, 82581920]

約数ペア:

[(1, 82581920), (2, 41290960), (4, 20645480), (5, 16516384), (8, 10322740), (10, 8258192), (16, 5161370), (17, 4857760), (20, 4129096), (32, 2580685), (34, 2428880), (40, 2064548), (68, 1214440), (80, 1032274), (85, 971552), (97, 851360), (136, 607220), (160, 516137), (170, 485776), (194, 425680), (272, 303610), (313, 263840), (340, 242888), (388, 212840), (485, 170272), (544, 151805), (626, 131920), (680, 121444), (776, 106420), (970, 85136), (1252, 65960), (1360, 60722), (1552, 53210), (1565, 52768), (1649, 50080), (1940, 42568), (2504, 32980), (2720, 30361), (3104, 26605), (3130, 26384), (3298, 25040), (3880, 21284), (5008, 16490), (5321, 15520), (6260, 13192), (6596, 12520), (7760, 10642), (8245, 10016)]