129378680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{140629}}^1$

素因数の和:140663

約数の個数: 32

約数和(自身を含む): 303760800

約数和(自身を除く): 174382120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 140629, 281258, 562516, 703145, 1125032, 1406290, 2812580, 3234467, 5625160, 6468934, 12937868, 16172335, 25875736, 32344670, 64689340, 129378680]

約数ペア:

[(1, 129378680), (2, 64689340), (4, 32344670), (5, 25875736), (8, 16172335), (10, 12937868), (20, 6468934), (23, 5625160), (40, 3234467), (46, 2812580), (92, 1406290), (115, 1125032), (184, 703145), (230, 562516), (460, 281258), (920, 140629)]