8538980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 19716480

約数和(自身を除く): 11177500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 977, 1748, 1954, 2185, 3908, 4370, 4885, 8740, 9770, 18563, 19540, 22471, 37126, 44942, 74252, 89884, 92815, 112355, 185630, 224710, 371260, 426949, 449420, 853898, 1707796, 2134745, 4269490, 8538980]

約数ペア:

[(1, 8538980), (2, 4269490), (4, 2134745), (5, 1707796), (10, 853898), (19, 449420), (20, 426949), (23, 371260), (38, 224710), (46, 185630), (76, 112355), (92, 92815), (95, 89884), (115, 74252), (190, 44942), (230, 37126), (380, 22471), (437, 19540), (460, 18563), (874, 9770), (977, 8740), (1748, 4885), (1954, 4370), (2185, 3908)]