42063440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 104738832

約数和(自身を除く): 62675392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 197, 272, 314, 340, 394, 628, 680, 785, 788, 985, 1256, 1360, 1570, 1576, 1970, 2512, 2669, 3140, 3152, 3349, 3940, 5338, 6280, 6698, 7880, 10676, 12560, 13345, 13396, 15760, 16745, 21352, 26690, 26792, 30929, 33490, 42704, 53380, 53584, 61858, 66980, 106760, 123716, 133960, 154645, 213520, 247432, 267920, 309290, 494864, 525793, 618580, 1051586, 1237160, 2103172, 2474320, 2628965, 4206344, 5257930, 8412688, 10515860, 21031720, 42063440]

約数ペア:

[(1, 42063440), (2, 21031720), (4, 10515860), (5, 8412688), (8, 5257930), (10, 4206344), (16, 2628965), (17, 2474320), (20, 2103172), (34, 1237160), (40, 1051586), (68, 618580), (80, 525793), (85, 494864), (136, 309290), (157, 267920), (170, 247432), (197, 213520), (272, 154645), (314, 133960), (340, 123716), (394, 106760), (628, 66980), (680, 61858), (785, 53584), (788, 53380), (985, 42704), (1256, 33490), (1360, 30929), (1570, 26792), (1576, 26690), (1970, 21352), (2512, 16745), (2669, 15760), (3140, 13396), (3152, 13345), (3349, 12560), (3940, 10676), (5338, 7880), (6280, 6698)]