12904760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 32054400

約数和(自身を除く): 19149640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 211, 220, 278, 422, 440, 556, 695, 844, 1055, 1112, 1390, 1529, 1688, 2110, 2321, 2780, 3058, 4220, 4642, 5560, 6116, 7645, 8440, 9284, 11605, 12232, 15290, 18568, 23210, 29329, 30580, 46420, 58658, 61160, 92840, 117316, 146645, 234632, 293290, 322619, 586580, 645238, 1173160, 1290476, 1613095, 2580952, 3226190, 6452380, 12904760]

約数ペア:

[(1, 12904760), (2, 6452380), (4, 3226190), (5, 2580952), (8, 1613095), (10, 1290476), (11, 1173160), (20, 645238), (22, 586580), (40, 322619), (44, 293290), (55, 234632), (88, 146645), (110, 117316), (139, 92840), (211, 61160), (220, 58658), (278, 46420), (422, 30580), (440, 29329), (556, 23210), (695, 18568), (844, 15290), (1055, 12232), (1112, 11605), (1390, 9284), (1529, 8440), (1688, 7645), (2110, 6116), (2321, 5560), (2780, 4642), (3058, 4220)]