47271640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90907}}^1$

素因数の和:90931

約数の個数: 32

約数和(自身を含む): 114544080

約数和(自身を除く): 67272440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 90907, 181814, 363628, 454535, 727256, 909070, 1181791, 1818140, 2363582, 3636280, 4727164, 5908955, 9454328, 11817910, 23635820, 47271640]

約数ペア:

[(1, 47271640), (2, 23635820), (4, 11817910), (5, 9454328), (8, 5908955), (10, 4727164), (13, 3636280), (20, 2363582), (26, 1818140), (40, 1181791), (52, 909070), (65, 727256), (104, 454535), (130, 363628), (260, 181814), (520, 90907)]