12258640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4943}}^1$

素因数の和:4987

約数の個数: 40

約数和(自身を含む): 29426688

約数和(自身を除く): 17168048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4943, 9886, 19772, 24715, 39544, 49430, 79088, 98860, 153233, 197720, 306466, 395440, 612932, 766165, 1225864, 1532330, 2451728, 3064660, 6129320, 12258640]

約数ペア:

[(1, 12258640), (2, 6129320), (4, 3064660), (5, 2451728), (8, 1532330), (10, 1225864), (16, 766165), (20, 612932), (31, 395440), (40, 306466), (62, 197720), (80, 153233), (124, 98860), (155, 79088), (248, 49430), (310, 39544), (496, 24715), (620, 19772), (1240, 9886), (2480, 4943)]