13225840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5333}}^1$

素因数の和:5377

約数の個数: 40

約数和(自身を含む): 31747968

約数和(自身を除く): 18522128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5333, 10666, 21332, 26665, 42664, 53330, 85328, 106660, 165323, 213320, 330646, 426640, 661292, 826615, 1322584, 1653230, 2645168, 3306460, 6612920, 13225840]

約数ペア:

[(1, 13225840), (2, 6612920), (4, 3306460), (5, 2645168), (8, 1653230), (10, 1322584), (16, 826615), (20, 661292), (31, 426640), (40, 330646), (62, 213320), (80, 165323), (124, 106660), (155, 85328), (248, 53330), (310, 42664), (496, 26665), (620, 21332), (1240, 10666), (2480, 5333)]