39854560

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1117}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 94663296

約数和(自身を除く): 54808736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1117, 1784, 2230, 2234, 3568, 4460, 4468, 5585, 7136, 8920, 8936, 11170, 17840, 17872, 22340, 35680, 35744, 44680, 89360, 178720, 249091, 498182, 996364, 1245455, 1992728, 2490910, 3985456, 4981820, 7970912, 9963640, 19927280, 39854560]

約数ペア:

[(1, 39854560), (2, 19927280), (4, 9963640), (5, 7970912), (8, 4981820), (10, 3985456), (16, 2490910), (20, 1992728), (32, 1245455), (40, 996364), (80, 498182), (160, 249091), (223, 178720), (446, 89360), (892, 44680), (1115, 35744), (1117, 35680), (1784, 22340), (2230, 17872), (2234, 17840), (3568, 11170), (4460, 8936), (4468, 8920), (5585, 7136)]