17628640

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 24284000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 461, 478, 922, 956, 1195, 1844, 1912, 2305, 2390, 3688, 3824, 4610, 4780, 7376, 7648, 9220, 9560, 14752, 18440, 19120, 36880, 38240, 73760, 110179, 220358, 440716, 550895, 881432, 1101790, 1762864, 2203580, 3525728, 4407160, 8814320, 17628640]

約数ペア:

[(1, 17628640), (2, 8814320), (4, 4407160), (5, 3525728), (8, 2203580), (10, 1762864), (16, 1101790), (20, 881432), (32, 550895), (40, 440716), (80, 220358), (160, 110179), (239, 73760), (461, 38240), (478, 36880), (922, 19120), (956, 18440), (1195, 14752), (1844, 9560), (1912, 9220), (2305, 7648), (2390, 7376), (3688, 4780), (3824, 4610)]