38775640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 54536360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 340, 449, 508, 635, 680, 898, 1016, 1270, 1796, 2159, 2245, 2540, 3592, 4318, 4490, 5080, 7633, 8636, 8980, 10795, 15266, 17272, 17960, 21590, 30532, 38165, 43180, 57023, 61064, 76330, 86360, 114046, 152660, 228092, 285115, 305320, 456184, 570230, 969391, 1140460, 1938782, 2280920, 3877564, 4846955, 7755128, 9693910, 19387820, 38775640]

約数ペア:

[(1, 38775640), (2, 19387820), (4, 9693910), (5, 7755128), (8, 4846955), (10, 3877564), (17, 2280920), (20, 1938782), (34, 1140460), (40, 969391), (68, 570230), (85, 456184), (127, 305320), (136, 285115), (170, 228092), (254, 152660), (340, 114046), (449, 86360), (508, 76330), (635, 61064), (680, 57023), (898, 43180), (1016, 38165), (1270, 30532), (1796, 21590), (2159, 17960), (2245, 17272), (2540, 15266), (3592, 10795), (4318, 8980), (4490, 8636), (5080, 7633)]