31132120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 71952480

約数和(自身を除く): 40820360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 463, 820, 926, 1640, 1681, 1852, 2315, 3362, 3704, 4630, 6724, 8405, 9260, 13448, 16810, 18520, 18983, 33620, 37966, 67240, 75932, 94915, 151864, 189830, 379660, 759320, 778303, 1556606, 3113212, 3891515, 6226424, 7783030, 15566060, 31132120]

約数ペア:

[(1, 31132120), (2, 15566060), (4, 7783030), (5, 6226424), (8, 3891515), (10, 3113212), (20, 1556606), (40, 778303), (41, 759320), (82, 379660), (164, 189830), (205, 151864), (328, 94915), (410, 75932), (463, 67240), (820, 37966), (926, 33620), (1640, 18983), (1681, 18520), (1852, 16810), (2315, 13448), (3362, 9260), (3704, 8405), (4630, 6724)]