12996640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2845

約数の個数: 48

約数和(自身を含む): 31774680

約数和(自身を除く): 18778040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 2801, 4640, 5602, 11204, 14005, 22408, 28010, 44816, 56020, 81229, 89632, 112040, 162458, 224080, 324916, 406145, 448160, 649832, 812290, 1299664, 1624580, 2599328, 3249160, 6498320, 12996640]

約数ペア:

[(1, 12996640), (2, 6498320), (4, 3249160), (5, 2599328), (8, 1624580), (10, 1299664), (16, 812290), (20, 649832), (29, 448160), (32, 406145), (40, 324916), (58, 224080), (80, 162458), (116, 112040), (145, 89632), (160, 81229), (232, 56020), (290, 44816), (464, 28010), (580, 22408), (928, 14005), (1160, 11204), (2320, 5602), (2801, 4640)]