28758560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 73347120

約数和(自身を除く): 44588560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 97, 109, 136, 160, 170, 194, 218, 272, 340, 388, 436, 485, 544, 545, 680, 776, 872, 970, 1090, 1360, 1552, 1649, 1744, 1853, 1940, 2180, 2720, 3104, 3298, 3488, 3706, 3880, 4360, 6596, 7412, 7760, 8245, 8720, 9265, 10573, 13192, 14824, 15520, 16490, 17440, 18530, 21146, 26384, 29648, 32980, 37060, 42292, 52768, 52865, 59296, 65960, 74120, 84584, 105730, 131920, 148240, 169168, 179741, 211460, 263840, 296480, 338336, 359482, 422920, 718964, 845840, 898705, 1437928, 1691680, 1797410, 2875856, 3594820, 5751712, 7189640, 14379280, 28758560]

約数ペア:

[(1, 28758560), (2, 14379280), (4, 7189640), (5, 5751712), (8, 3594820), (10, 2875856), (16, 1797410), (17, 1691680), (20, 1437928), (32, 898705), (34, 845840), (40, 718964), (68, 422920), (80, 359482), (85, 338336), (97, 296480), (109, 263840), (136, 211460), (160, 179741), (170, 169168), (194, 148240), (218, 131920), (272, 105730), (340, 84584), (388, 74120), (436, 65960), (485, 59296), (544, 52865), (545, 52768), (680, 42292), (776, 37060), (872, 32980), (970, 29648), (1090, 26384), (1360, 21146), (1552, 18530), (1649, 17440), (1744, 16490), (1853, 15520), (1940, 14824), (2180, 13192), (2720, 10573), (3104, 9265), (3298, 8720), (3488, 8245), (3706, 7760), (3880, 7412), (4360, 6596)]