129725600

素因数分解:

$2^5\times 5^2\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1158

約数の個数: 72

約数和(自身を含む): 318917088

約数和(自身を除く): 189191488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 167, 200, 334, 400, 668, 800, 835, 971, 1336, 1670, 1942, 2672, 3340, 3884, 4175, 4855, 5344, 6680, 7768, 8350, 9710, 13360, 15536, 16700, 19420, 24275, 26720, 31072, 33400, 38840, 48550, 66800, 77680, 97100, 133600, 155360, 162157, 194200, 324314, 388400, 648628, 776800, 810785, 1297256, 1621570, 2594512, 3243140, 4053925, 5189024, 6486280, 8107850, 12972560, 16215700, 25945120, 32431400, 64862800, 129725600]

約数ペア:

[(1, 129725600), (2, 64862800), (4, 32431400), (5, 25945120), (8, 16215700), (10, 12972560), (16, 8107850), (20, 6486280), (25, 5189024), (32, 4053925), (40, 3243140), (50, 2594512), (80, 1621570), (100, 1297256), (160, 810785), (167, 776800), (200, 648628), (334, 388400), (400, 324314), (668, 194200), (800, 162157), (835, 155360), (971, 133600), (1336, 97100), (1670, 77680), (1942, 66800), (2672, 48550), (3340, 38840), (3884, 33400), (4175, 31072), (4855, 26720), (5344, 24275), (6680, 19420), (7768, 16700), (8350, 15536), (9710, 13360)]