39839840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 101352384

約数和(自身を除く): 61512544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 97, 136, 151, 160, 170, 194, 272, 302, 340, 388, 485, 544, 604, 680, 755, 776, 970, 1208, 1360, 1510, 1552, 1649, 1940, 2416, 2567, 2720, 3020, 3104, 3298, 3880, 4832, 5134, 6040, 6596, 7760, 8245, 10268, 12080, 12835, 13192, 14647, 15520, 16490, 20536, 24160, 25670, 26384, 29294, 32980, 41072, 51340, 52768, 58588, 65960, 73235, 82144, 102680, 117176, 131920, 146470, 205360, 234352, 248999, 263840, 292940, 410720, 468704, 497998, 585880, 995996, 1171760, 1244995, 1991992, 2343520, 2489990, 3983984, 4979980, 7967968, 9959960, 19919920, 39839840]

約数ペア:

[(1, 39839840), (2, 19919920), (4, 9959960), (5, 7967968), (8, 4979980), (10, 3983984), (16, 2489990), (17, 2343520), (20, 1991992), (32, 1244995), (34, 1171760), (40, 995996), (68, 585880), (80, 497998), (85, 468704), (97, 410720), (136, 292940), (151, 263840), (160, 248999), (170, 234352), (194, 205360), (272, 146470), (302, 131920), (340, 117176), (388, 102680), (485, 82144), (544, 73235), (604, 65960), (680, 58588), (755, 52768), (776, 51340), (970, 41072), (1208, 32980), (1360, 29294), (1510, 26384), (1552, 25670), (1649, 24160), (1940, 20536), (2416, 16490), (2567, 15520), (2720, 14647), (3020, 13192), (3104, 12835), (3298, 12080), (3880, 10268), (4832, 8245), (5134, 7760), (6040, 6596)]