40328080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2281}}^1$

素因数の和:2324

約数の個数: 80

約数和(自身を含む): 106961904

約数和(自身を除く): 66633824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 2281, 3536, 4420, 4562, 8840, 9124, 11405, 17680, 18248, 22810, 29653, 36496, 38777, 45620, 59306, 77554, 91240, 118612, 148265, 155108, 182480, 193885, 237224, 296530, 310216, 387770, 474448, 504101, 593060, 620432, 775540, 1008202, 1186120, 1551080, 2016404, 2372240, 2520505, 3102160, 4032808, 5041010, 8065616, 10082020, 20164040, 40328080]

約数ペア:

[(1, 40328080), (2, 20164040), (4, 10082020), (5, 8065616), (8, 5041010), (10, 4032808), (13, 3102160), (16, 2520505), (17, 2372240), (20, 2016404), (26, 1551080), (34, 1186120), (40, 1008202), (52, 775540), (65, 620432), (68, 593060), (80, 504101), (85, 474448), (104, 387770), (130, 310216), (136, 296530), (170, 237224), (208, 193885), (221, 182480), (260, 155108), (272, 148265), (340, 118612), (442, 91240), (520, 77554), (680, 59306), (884, 45620), (1040, 38777), (1105, 36496), (1360, 29653), (1768, 22810), (2210, 18248), (2281, 17680), (3536, 11405), (4420, 9124), (4562, 8840)]