38758640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28499}}^1$

素因数の和:28529

約数の個数: 40

約数和(自身を含む): 95418000

約数和(自身を除く): 56659360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28499, 56998, 113996, 142495, 227992, 284990, 455984, 484483, 569980, 968966, 1139960, 1937932, 2279920, 2422415, 3875864, 4844830, 7751728, 9689660, 19379320, 38758640]

約数ペア:

[(1, 38758640), (2, 19379320), (4, 9689660), (5, 7751728), (8, 4844830), (10, 3875864), (16, 2422415), (17, 2279920), (20, 1937932), (34, 1139960), (40, 968966), (68, 569980), (80, 484483), (85, 455984), (136, 284990), (170, 227992), (272, 142495), (340, 113996), (680, 56998), (1360, 28499)]