13884280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11197}}^1$

素因数の和:11239

約数の個数: 32

約数和(自身を含む): 32250240

約数和(自身を除く): 18365960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 11197, 22394, 44788, 55985, 89576, 111970, 223940, 347107, 447880, 694214, 1388428, 1735535, 2776856, 3471070, 6942140, 13884280]

約数ペア:

[(1, 13884280), (2, 6942140), (4, 3471070), (5, 2776856), (8, 1735535), (10, 1388428), (20, 694214), (31, 447880), (40, 347107), (62, 223940), (124, 111970), (155, 89576), (248, 55985), (310, 44788), (620, 22394), (1240, 11197)]