38320040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 102643200

約数和(自身を除く): 64323160

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 47, 55, 68, 85, 88, 94, 109, 110, 136, 170, 187, 188, 218, 220, 235, 340, 374, 376, 436, 440, 470, 517, 545, 680, 748, 799, 872, 935, 940, 1034, 1090, 1199, 1496, 1598, 1853, 1870, 1880, 2068, 2180, 2398, 2585, 3196, 3706, 3740, 3995, 4136, 4360, 4796, 5123, 5170, 5995, 6392, 7412, 7480, 7990, 8789, 9265, 9592, 10246, 10340, 11990, 14824, 15980, 17578, 18530, 20383, 20492, 20680, 23980, 25615, 31960, 35156, 37060, 40766, 40984, 43945, 47960, 51230, 56353, 70312, 74120, 81532, 87091, 87890, 101915, 102460, 112706, 163064, 174182, 175780, 203830, 204920, 225412, 281765, 348364, 351560, 407660, 435455, 450824, 563530, 696728, 815320, 870910, 958001, 1127060, 1741820, 1916002, 2254120, 3483640, 3832004, 4790005, 7664008, 9580010, 19160020, 38320040]

約数ペア:

[(1, 38320040), (2, 19160020), (4, 9580010), (5, 7664008), (8, 4790005), (10, 3832004), (11, 3483640), (17, 2254120), (20, 1916002), (22, 1741820), (34, 1127060), (40, 958001), (44, 870910), (47, 815320), (55, 696728), (68, 563530), (85, 450824), (88, 435455), (94, 407660), (109, 351560), (110, 348364), (136, 281765), (170, 225412), (187, 204920), (188, 203830), (218, 175780), (220, 174182), (235, 163064), (340, 112706), (374, 102460), (376, 101915), (436, 87890), (440, 87091), (470, 81532), (517, 74120), (545, 70312), (680, 56353), (748, 51230), (799, 47960), (872, 43945), (935, 40984), (940, 40766), (1034, 37060), (1090, 35156), (1199, 31960), (1496, 25615), (1598, 23980), (1853, 20680), (1870, 20492), (1880, 20383), (2068, 18530), (2180, 17578), (2398, 15980), (2585, 14824), (3196, 11990), (3706, 10340), (3740, 10246), (3995, 9592), (4136, 9265), (4360, 8789), (4796, 7990), (5123, 7480), (5170, 7412), (5995, 6392)]