22754840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 54885600

約数和(自身を除く): 32130760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 307, 340, 436, 545, 614, 680, 872, 1090, 1228, 1535, 1853, 2180, 2456, 3070, 3706, 4360, 5219, 6140, 7412, 9265, 10438, 12280, 14824, 18530, 20876, 26095, 33463, 37060, 41752, 52190, 66926, 74120, 104380, 133852, 167315, 208760, 267704, 334630, 568871, 669260, 1137742, 1338520, 2275484, 2844355, 4550968, 5688710, 11377420, 22754840]

約数ペア:

[(1, 22754840), (2, 11377420), (4, 5688710), (5, 4550968), (8, 2844355), (10, 2275484), (17, 1338520), (20, 1137742), (34, 669260), (40, 568871), (68, 334630), (85, 267704), (109, 208760), (136, 167315), (170, 133852), (218, 104380), (307, 74120), (340, 66926), (436, 52190), (545, 41752), (614, 37060), (680, 33463), (872, 26095), (1090, 20876), (1228, 18530), (1535, 14824), (1853, 12280), (2180, 10438), (2456, 9265), (3070, 7412), (3706, 6140), (4360, 5219)]