79978750

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:718

約数の個数: 40

約数和(自身を含む): 151545240

約数和(自身を除く): 71566490

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 587, 625, 1090, 1174, 1250, 2725, 2935, 5450, 5870, 13625, 14675, 27250, 29350, 63983, 68125, 73375, 127966, 136250, 146750, 319915, 366875, 639830, 733750, 1599575, 3199150, 7997875, 15995750, 39989375, 79978750]

約数ペア:

[(1, 79978750), (2, 39989375), (5, 15995750), (10, 7997875), (25, 3199150), (50, 1599575), (109, 733750), (125, 639830), (218, 366875), (250, 319915), (545, 146750), (587, 136250), (625, 127966), (1090, 73375), (1174, 68125), (1250, 63983), (2725, 29350), (2935, 27250), (5450, 14675), (5870, 13625)]