17656880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12983}}^1$

素因数の和:13013

約数の個数: 40

約数和(自身を含む): 43470432

約数和(自身を除く): 25813552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 12983, 25966, 51932, 64915, 103864, 129830, 207728, 220711, 259660, 441422, 519320, 882844, 1038640, 1103555, 1765688, 2207110, 3531376, 4414220, 8828440, 17656880]

約数ペア:

[(1, 17656880), (2, 8828440), (4, 4414220), (5, 3531376), (8, 2207110), (10, 1765688), (16, 1103555), (17, 1038640), (20, 882844), (34, 519320), (40, 441422), (68, 259660), (80, 220711), (85, 207728), (136, 129830), (170, 103864), (272, 64915), (340, 51932), (680, 25966), (1360, 12983)]