71491120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52567}}^1$

素因数の和:52597

約数の個数: 40

約数和(自身を含む): 175997664

約数和(自身を除く): 104506544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 52567, 105134, 210268, 262835, 420536, 525670, 841072, 893639, 1051340, 1787278, 2102680, 3574556, 4205360, 4468195, 7149112, 8936390, 14298224, 17872780, 35745560, 71491120]

約数ペア:

[(1, 71491120), (2, 35745560), (4, 17872780), (5, 14298224), (8, 8936390), (10, 7149112), (16, 4468195), (17, 4205360), (20, 3574556), (34, 2102680), (40, 1787278), (68, 1051340), (80, 893639), (85, 841072), (136, 525670), (170, 420536), (272, 262835), (340, 210268), (680, 105134), (1360, 52567)]