13212950

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{659}}^1$

素因数の和:1072

約数の個数: 24

約数和(自身を含む): 24674760

約数和(自身を除く): 11461810

約数列:

[1, 2, 5, 10, 25, 50, 401, 659, 802, 1318, 2005, 3295, 4010, 6590, 10025, 16475, 20050, 32950, 264259, 528518, 1321295, 2642590, 6606475, 13212950]

約数ペア:

[(1, 13212950), (2, 6606475), (5, 2642590), (10, 1321295), (25, 528518), (50, 264259), (401, 32950), (659, 20050), (802, 16475), (1318, 10025), (2005, 6590), (3295, 4010)]