13778840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 34292160

約数和(自身を除く): 20513320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 881, 920, 1564, 1762, 1955, 3128, 3524, 3910, 4405, 7048, 7820, 8810, 14977, 15640, 17620, 20263, 29954, 35240, 40526, 59908, 74885, 81052, 101315, 119816, 149770, 162104, 202630, 299540, 344471, 405260, 599080, 688942, 810520, 1377884, 1722355, 2755768, 3444710, 6889420, 13778840]

約数ペア:

[(1, 13778840), (2, 6889420), (4, 3444710), (5, 2755768), (8, 1722355), (10, 1377884), (17, 810520), (20, 688942), (23, 599080), (34, 405260), (40, 344471), (46, 299540), (68, 202630), (85, 162104), (92, 149770), (115, 119816), (136, 101315), (170, 81052), (184, 74885), (230, 59908), (340, 40526), (391, 35240), (460, 29954), (680, 20263), (782, 17620), (881, 15640), (920, 14977), (1564, 8810), (1762, 7820), (1955, 7048), (3128, 4405), (3524, 3910)]