90774520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 209018880

約数和(自身を除く): 118244360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 127, 167, 214, 254, 334, 428, 508, 535, 635, 668, 835, 856, 1016, 1070, 1270, 1336, 1670, 2140, 2540, 3340, 4280, 5080, 6680, 13589, 17869, 21209, 27178, 35738, 42418, 54356, 67945, 71476, 84836, 89345, 106045, 108712, 135890, 142952, 169672, 178690, 212090, 271780, 357380, 424180, 543560, 714760, 848360, 2269363, 4538726, 9077452, 11346815, 18154904, 22693630, 45387260, 90774520]

約数ペア:

[(1, 90774520), (2, 45387260), (4, 22693630), (5, 18154904), (8, 11346815), (10, 9077452), (20, 4538726), (40, 2269363), (107, 848360), (127, 714760), (167, 543560), (214, 424180), (254, 357380), (334, 271780), (428, 212090), (508, 178690), (535, 169672), (635, 142952), (668, 135890), (835, 108712), (856, 106045), (1016, 89345), (1070, 84836), (1270, 71476), (1336, 67945), (1670, 54356), (2140, 42418), (2540, 35738), (3340, 27178), (4280, 21209), (5080, 17869), (6680, 13589)]