826655920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1297}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 1993229568

約数和(自身を除く): 1166573648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 257, 310, 496, 514, 620, 1028, 1240, 1285, 1297, 2056, 2480, 2570, 2594, 4112, 5140, 5188, 6485, 7967, 10280, 10376, 12970, 15934, 20560, 20752, 25940, 31868, 39835, 40207, 51880, 63736, 79670, 80414, 103760, 127472, 159340, 160828, 201035, 318680, 321656, 333329, 402070, 637360, 643312, 666658, 804140, 1333316, 1608280, 1666645, 2666632, 3216560, 3333290, 5333264, 6666580, 10333199, 13333160, 20666398, 26666320, 41332796, 51665995, 82665592, 103331990, 165331184, 206663980, 413327960, 826655920]

約数ペア:

[(1, 826655920), (2, 413327960), (4, 206663980), (5, 165331184), (8, 103331990), (10, 82665592), (16, 51665995), (20, 41332796), (31, 26666320), (40, 20666398), (62, 13333160), (80, 10333199), (124, 6666580), (155, 5333264), (248, 3333290), (257, 3216560), (310, 2666632), (496, 1666645), (514, 1608280), (620, 1333316), (1028, 804140), (1240, 666658), (1285, 643312), (1297, 637360), (2056, 402070), (2480, 333329), (2570, 321656), (2594, 318680), (4112, 201035), (5140, 160828), (5188, 159340), (6485, 127472), (7967, 103760), (10280, 80414), (10376, 79670), (12970, 63736), (15934, 51880), (20560, 40207), (20752, 39835), (25940, 31868)]