56155760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 139651776

約数和(自身を除く): 83496016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 263, 272, 314, 340, 526, 628, 680, 785, 1052, 1256, 1315, 1360, 1570, 2104, 2512, 2630, 2669, 3140, 4208, 4471, 5260, 5338, 6280, 8942, 10520, 10676, 12560, 13345, 17884, 21040, 21352, 22355, 26690, 35768, 41291, 42704, 44710, 53380, 71536, 82582, 89420, 106760, 165164, 178840, 206455, 213520, 330328, 357680, 412910, 660656, 701947, 825820, 1403894, 1651640, 2807788, 3303280, 3509735, 5615576, 7019470, 11231152, 14038940, 28077880, 56155760]

約数ペア:

[(1, 56155760), (2, 28077880), (4, 14038940), (5, 11231152), (8, 7019470), (10, 5615576), (16, 3509735), (17, 3303280), (20, 2807788), (34, 1651640), (40, 1403894), (68, 825820), (80, 701947), (85, 660656), (136, 412910), (157, 357680), (170, 330328), (263, 213520), (272, 206455), (314, 178840), (340, 165164), (526, 106760), (628, 89420), (680, 82582), (785, 71536), (1052, 53380), (1256, 44710), (1315, 42704), (1360, 41291), (1570, 35768), (2104, 26690), (2512, 22355), (2630, 21352), (2669, 21040), (3140, 17884), (4208, 13345), (4471, 12560), (5260, 10676), (5338, 10520), (6280, 8942)]