9950840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 23500800

約数和(自身を除く): 13549960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 79, 94, 134, 158, 188, 235, 268, 316, 335, 376, 395, 470, 536, 632, 670, 790, 940, 1340, 1580, 1880, 2680, 3149, 3160, 3713, 5293, 6298, 7426, 10586, 12596, 14852, 15745, 18565, 21172, 25192, 26465, 29704, 31490, 37130, 42344, 52930, 62980, 74260, 105860, 125960, 148520, 211720, 248771, 497542, 995084, 1243855, 1990168, 2487710, 4975420, 9950840]

約数ペア:

[(1, 9950840), (2, 4975420), (4, 2487710), (5, 1990168), (8, 1243855), (10, 995084), (20, 497542), (40, 248771), (47, 211720), (67, 148520), (79, 125960), (94, 105860), (134, 74260), (158, 62980), (188, 52930), (235, 42344), (268, 37130), (316, 31490), (335, 29704), (376, 26465), (395, 25192), (470, 21172), (536, 18565), (632, 15745), (670, 14852), (790, 12596), (940, 10586), (1340, 7426), (1580, 6298), (1880, 5293), (2680, 3713), (3149, 3160)]