78616250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:708

約数の個数: 40

約数和(自身を含む): 148967940

約数和(自身を除く): 70351690

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 577, 625, 1090, 1154, 1250, 2725, 2885, 5450, 5770, 13625, 14425, 27250, 28850, 62893, 68125, 72125, 125786, 136250, 144250, 314465, 360625, 628930, 721250, 1572325, 3144650, 7861625, 15723250, 39308125, 78616250]

約数ペア:

[(1, 78616250), (2, 39308125), (5, 15723250), (10, 7861625), (25, 3144650), (50, 1572325), (109, 721250), (125, 628930), (218, 360625), (250, 314465), (545, 144250), (577, 136250), (625, 125786), (1090, 72125), (1154, 68125), (1250, 62893), (2725, 28850), (2885, 27250), (5450, 14425), (5770, 13625)]