8368750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 17061408

約数和(自身を除く): 8692658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 125, 130, 206, 250, 325, 515, 625, 650, 1030, 1250, 1339, 1625, 2575, 2678, 3125, 3250, 5150, 6250, 6695, 8125, 12875, 13390, 16250, 25750, 33475, 40625, 64375, 66950, 81250, 128750, 167375, 321875, 334750, 643750, 836875, 1673750, 4184375, 8368750]

約数ペア:

[(1, 8368750), (2, 4184375), (5, 1673750), (10, 836875), (13, 643750), (25, 334750), (26, 321875), (50, 167375), (65, 128750), (103, 81250), (125, 66950), (130, 64375), (206, 40625), (250, 33475), (325, 25750), (515, 16250), (625, 13390), (650, 12875), (1030, 8125), (1250, 6695), (1339, 6250), (1625, 5150), (2575, 3250), (2678, 3125)]