31038640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9463}}^1$

素因数の和:9517

約数の個数: 40

約数和(自身を含む): 73932768

約数和(自身を除く): 42894128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9463, 18926, 37852, 47315, 75704, 94630, 151408, 189260, 378520, 387983, 757040, 775966, 1551932, 1939915, 3103864, 3879830, 6207728, 7759660, 15519320, 31038640]

約数ペア:

[(1, 31038640), (2, 15519320), (4, 7759660), (5, 6207728), (8, 3879830), (10, 3103864), (16, 1939915), (20, 1551932), (40, 775966), (41, 757040), (80, 387983), (82, 378520), (164, 189260), (205, 151408), (328, 94630), (410, 75704), (656, 47315), (820, 37852), (1640, 18926), (3280, 9463)]