42850840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 102850560

約数和(自身を除く): 59999720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 991, 1081, 1880, 1982, 2162, 3964, 4324, 4955, 5405, 7928, 8648, 9910, 10810, 19820, 21620, 22793, 39640, 43240, 45586, 46577, 91172, 93154, 113965, 182344, 186308, 227930, 232885, 372616, 455860, 465770, 911720, 931540, 1071271, 1863080, 2142542, 4285084, 5356355, 8570168, 10712710, 21425420, 42850840]

約数ペア:

[(1, 42850840), (2, 21425420), (4, 10712710), (5, 8570168), (8, 5356355), (10, 4285084), (20, 2142542), (23, 1863080), (40, 1071271), (46, 931540), (47, 911720), (92, 465770), (94, 455860), (115, 372616), (184, 232885), (188, 227930), (230, 186308), (235, 182344), (376, 113965), (460, 93154), (470, 91172), (920, 46577), (940, 45586), (991, 43240), (1081, 39640), (1880, 22793), (1982, 21620), (2162, 19820), (3964, 10810), (4324, 9910), (4955, 8648), (5405, 7928)]