12478490240

素因数分解:

$2^7\times 5^1\times {\mathrm{19497641}}^1$

素因数の和:19497660

約数の個数: 32

約数和(自身を含む): 29831392260

約数和(自身を除く): 17352902020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19497641, 38995282, 77990564, 97488205, 155981128, 194976410, 311962256, 389952820, 623924512, 779905640, 1247849024, 1559811280, 2495698048, 3119622560, 6239245120, 12478490240]

約数ペア:

[(1, 12478490240), (2, 6239245120), (4, 3119622560), (5, 2495698048), (8, 1559811280), (10, 1247849024), (16, 779905640), (20, 623924512), (32, 389952820), (40, 311962256), (64, 194976410), (80, 155981128), (128, 97488205), (160, 77990564), (320, 38995282), (640, 19497641)]