251405240

素因数分解:

$2^3\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{4831}}^1$

素因数の和:6143

約数の個数: 32

約数和(自身を含む): 566213760

約数和(自身を除く): 314808520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1301, 2602, 4831, 5204, 6505, 9662, 10408, 13010, 19324, 24155, 26020, 38648, 48310, 52040, 96620, 193240, 6285131, 12570262, 25140524, 31425655, 50281048, 62851310, 125702620, 251405240]

約数ペア:

[(1, 251405240), (2, 125702620), (4, 62851310), (5, 50281048), (8, 31425655), (10, 25140524), (20, 12570262), (40, 6285131), (1301, 193240), (2602, 96620), (4831, 52040), (5204, 48310), (6505, 38648), (9662, 26020), (10408, 24155), (13010, 19324)]