40893008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 60

約数和(自身を含む): 88158420

約数和(自身を除く): 47265412

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 89, 94, 104, 178, 188, 208, 356, 376, 611, 712, 752, 1157, 1222, 1424, 2209, 2314, 2444, 4183, 4418, 4628, 4888, 8366, 8836, 9256, 9776, 16732, 17672, 18512, 28717, 33464, 35344, 54379, 57434, 66928, 108758, 114868, 196601, 217516, 229736, 393202, 435032, 459472, 786404, 870064, 1572808, 2555813, 3145616, 5111626, 10223252, 20446504, 40893008]

約数ペア:

[(1, 40893008), (2, 20446504), (4, 10223252), (8, 5111626), (13, 3145616), (16, 2555813), (26, 1572808), (47, 870064), (52, 786404), (89, 459472), (94, 435032), (104, 393202), (178, 229736), (188, 217516), (208, 196601), (356, 114868), (376, 108758), (611, 66928), (712, 57434), (752, 54379), (1157, 35344), (1222, 33464), (1424, 28717), (2209, 18512), (2314, 17672), (2444, 16732), (4183, 9776), (4418, 9256), (4628, 8836), (4888, 8366)]