12852440840

素因数分解:

$2^3\times 5^1\times {\mathrm{12391}}^1\times {\mathrm{25931}}^1$

素因数の和:38333

約数の個数: 32

約数和(自身を含む): 28921440960

約数和(自身を除く): 16069000120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12391, 24782, 25931, 49564, 51862, 61955, 99128, 103724, 123910, 129655, 207448, 247820, 259310, 495640, 518620, 1037240, 321311021, 642622042, 1285244084, 1606555105, 2570488168, 3213110210, 6426220420, 12852440840]

約数ペア:

[(1, 12852440840), (2, 6426220420), (4, 3213110210), (5, 2570488168), (8, 1606555105), (10, 1285244084), (20, 642622042), (40, 321311021), (12391, 1037240), (24782, 518620), (25931, 495640), (49564, 259310), (51862, 247820), (61955, 207448), (99128, 129655), (103724, 123910)]