31732280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 76982400

約数和(自身を除く): 45250120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 971, 1634, 1720, 1942, 3268, 3884, 4085, 4855, 6536, 7768, 8170, 9710, 16340, 18449, 19420, 32680, 36898, 38840, 41753, 73796, 83506, 92245, 147592, 167012, 184490, 208765, 334024, 368980, 417530, 737960, 793307, 835060, 1586614, 1670120, 3173228, 3966535, 6346456, 7933070, 15866140, 31732280]

約数ペア:

[(1, 31732280), (2, 15866140), (4, 7933070), (5, 6346456), (8, 3966535), (10, 3173228), (19, 1670120), (20, 1586614), (38, 835060), (40, 793307), (43, 737960), (76, 417530), (86, 368980), (95, 334024), (152, 208765), (172, 184490), (190, 167012), (215, 147592), (344, 92245), (380, 83506), (430, 73796), (760, 41753), (817, 38840), (860, 36898), (971, 32680), (1634, 19420), (1720, 18449), (1942, 16340), (3268, 9710), (3884, 8170), (4085, 7768), (4855, 6536)]