156744208840

素因数分解:

$2^3\times 5^1\times {\mathrm{12829}}^1\times {\mathrm{305449}}^1$

素因数の和:318289

約数の個数: 32

約数和(自身を含む): 352703115000

約数和(自身を除く): 195958906160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12829, 25658, 51316, 64145, 102632, 128290, 256580, 305449, 513160, 610898, 1221796, 1527245, 2443592, 3054490, 6108980, 12217960, 3918605221, 7837210442, 15674420884, 19593026105, 31348841768, 39186052210, 78372104420, 156744208840]

約数ペア:

[(1, 156744208840), (2, 78372104420), (4, 39186052210), (5, 31348841768), (8, 19593026105), (10, 15674420884), (20, 7837210442), (40, 3918605221), (12829, 12217960), (25658, 6108980), (51316, 3054490), (64145, 2443592), (102632, 1527245), (128290, 1221796), (256580, 610898), (305449, 513160)]