39984680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 96215040

約数和(自身を除く): 56230360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 340, 463, 508, 635, 680, 926, 1016, 1270, 1852, 2159, 2315, 2540, 3704, 4318, 4630, 5080, 7871, 8636, 9260, 10795, 15742, 17272, 18520, 21590, 31484, 39355, 43180, 58801, 62968, 78710, 86360, 117602, 157420, 235204, 294005, 314840, 470408, 588010, 999617, 1176020, 1999234, 2352040, 3998468, 4998085, 7996936, 9996170, 19992340, 39984680]

約数ペア:

[(1, 39984680), (2, 19992340), (4, 9996170), (5, 7996936), (8, 4998085), (10, 3998468), (17, 2352040), (20, 1999234), (34, 1176020), (40, 999617), (68, 588010), (85, 470408), (127, 314840), (136, 294005), (170, 235204), (254, 157420), (340, 117602), (463, 86360), (508, 78710), (635, 62968), (680, 58801), (926, 43180), (1016, 39355), (1270, 31484), (1852, 21590), (2159, 18520), (2315, 17272), (2540, 15742), (3704, 10795), (4318, 9260), (4630, 8636), (5080, 7871)]