40530080

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 98746452

約数和(自身を除く): 58216372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 137, 160, 172, 215, 274, 344, 430, 548, 685, 688, 860, 1096, 1370, 1376, 1720, 1849, 2192, 2740, 3440, 3698, 4384, 5480, 5891, 6880, 7396, 9245, 10960, 11782, 14792, 18490, 21920, 23564, 29455, 29584, 36980, 47128, 58910, 59168, 73960, 94256, 117820, 147920, 188512, 235640, 253313, 295840, 471280, 506626, 942560, 1013252, 1266565, 2026504, 2533130, 4053008, 5066260, 8106016, 10132520, 20265040, 40530080]

約数ペア:

[(1, 40530080), (2, 20265040), (4, 10132520), (5, 8106016), (8, 5066260), (10, 4053008), (16, 2533130), (20, 2026504), (32, 1266565), (40, 1013252), (43, 942560), (80, 506626), (86, 471280), (137, 295840), (160, 253313), (172, 235640), (215, 188512), (274, 147920), (344, 117820), (430, 94256), (548, 73960), (685, 59168), (688, 58910), (860, 47128), (1096, 36980), (1370, 29584), (1376, 29455), (1720, 23564), (1849, 21920), (2192, 18490), (2740, 14792), (3440, 11782), (3698, 10960), (4384, 9245), (5480, 7396), (5891, 6880)]