13164520

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 29730600

約数和(自身を除く): 16566080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 829, 1588, 1658, 1985, 3176, 3316, 3970, 4145, 6632, 7940, 8290, 15880, 16580, 33160, 329113, 658226, 1316452, 1645565, 2632904, 3291130, 6582260, 13164520]

約数ペア:

[(1, 13164520), (2, 6582260), (4, 3291130), (5, 2632904), (8, 1645565), (10, 1316452), (20, 658226), (40, 329113), (397, 33160), (794, 16580), (829, 15880), (1588, 8290), (1658, 7940), (1985, 6632), (3176, 4145), (3316, 3970)]