13224460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 28788480

約数和(自身を除く): 15564020

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 139, 142, 268, 278, 284, 335, 355, 556, 670, 695, 710, 1340, 1390, 1420, 2780, 4757, 9313, 9514, 9869, 18626, 19028, 19738, 23785, 37252, 39476, 46565, 47570, 49345, 93130, 95140, 98690, 186260, 197380, 661223, 1322446, 2644892, 3306115, 6612230, 13224460]

約数ペア:

[(1, 13224460), (2, 6612230), (4, 3306115), (5, 2644892), (10, 1322446), (20, 661223), (67, 197380), (71, 186260), (134, 98690), (139, 95140), (142, 93130), (268, 49345), (278, 47570), (284, 46565), (335, 39476), (355, 37252), (556, 23785), (670, 19738), (695, 19028), (710, 18626), (1340, 9869), (1390, 9514), (1420, 9313), (2780, 4757)]