40718140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 91163520

約数和(自身を除く): 50445380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1291, 1577, 1660, 2582, 3154, 5164, 6308, 6455, 7885, 12910, 15770, 24529, 25820, 31540, 49058, 98116, 107153, 122645, 214306, 245290, 428612, 490580, 535765, 1071530, 2035907, 2143060, 4071814, 8143628, 10179535, 20359070, 40718140]

約数ペア:

[(1, 40718140), (2, 20359070), (4, 10179535), (5, 8143628), (10, 4071814), (19, 2143060), (20, 2035907), (38, 1071530), (76, 535765), (83, 490580), (95, 428612), (166, 245290), (190, 214306), (332, 122645), (380, 107153), (415, 98116), (830, 49058), (1291, 31540), (1577, 25820), (1660, 24529), (2582, 15770), (3154, 12910), (5164, 7885), (6308, 6455)]