13531120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 31872960

約数和(自身を除く): 18341840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2141, 3160, 4282, 6320, 8564, 10705, 17128, 21410, 34256, 42820, 85640, 169139, 171280, 338278, 676556, 845695, 1353112, 1691390, 2706224, 3382780, 6765560, 13531120]

約数ペア:

[(1, 13531120), (2, 6765560), (4, 3382780), (5, 2706224), (8, 1691390), (10, 1353112), (16, 845695), (20, 676556), (40, 338278), (79, 171280), (80, 169139), (158, 85640), (316, 42820), (395, 34256), (632, 21410), (790, 17128), (1264, 10705), (1580, 8564), (2141, 6320), (3160, 4282)]