12380780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 28277760

約数和(自身を除く): 15896980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1051, 1178, 2102, 2356, 2945, 4204, 5255, 5890, 10510, 11780, 19969, 21020, 32581, 39938, 65162, 79876, 99845, 130324, 162905, 199690, 325810, 399380, 619039, 651620, 1238078, 2476156, 3095195, 6190390, 12380780]

約数ペア:

[(1, 12380780), (2, 6190390), (4, 3095195), (5, 2476156), (10, 1238078), (19, 651620), (20, 619039), (31, 399380), (38, 325810), (62, 199690), (76, 162905), (95, 130324), (124, 99845), (155, 79876), (190, 65162), (310, 39938), (380, 32581), (589, 21020), (620, 19969), (1051, 11780), (1178, 10510), (2102, 5890), (2356, 5255), (2945, 4204)]