6451250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 40

約数和(自身を含む): 13055196

約数和(自身を除く): 6603946

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 397, 625, 650, 794, 1250, 1625, 1985, 3250, 3970, 5161, 8125, 9925, 10322, 16250, 19850, 25805, 49625, 51610, 99250, 129025, 248125, 258050, 496250, 645125, 1290250, 3225625, 6451250]

約数ペア:

[(1, 6451250), (2, 3225625), (5, 1290250), (10, 645125), (13, 496250), (25, 258050), (26, 248125), (50, 129025), (65, 99250), (125, 51610), (130, 49625), (250, 25805), (325, 19850), (397, 16250), (625, 10322), (650, 9925), (794, 8125), (1250, 5161), (1625, 3970), (1985, 3250)]