25452860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 56163072

約数和(自身を除く): 30710212

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 673, 1220, 1346, 1891, 2692, 3365, 3782, 6730, 7564, 9455, 13460, 18910, 20863, 37820, 41053, 41726, 82106, 83452, 104315, 164212, 205265, 208630, 410530, 417260, 821060, 1272643, 2545286, 5090572, 6363215, 12726430, 25452860]

約数ペア:

[(1, 25452860), (2, 12726430), (4, 6363215), (5, 5090572), (10, 2545286), (20, 1272643), (31, 821060), (61, 417260), (62, 410530), (122, 208630), (124, 205265), (155, 164212), (244, 104315), (305, 83452), (310, 82106), (610, 41726), (620, 41053), (673, 37820), (1220, 20863), (1346, 18910), (1891, 13460), (2692, 9455), (3365, 7564), (3782, 6730)]