1278482680

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{23279}}^1$

素因数の和:24663

約数の個数: 32

約数和(自身を含む): 2878804800

約数和(自身を除く): 1600322120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2746, 5492, 6865, 10984, 13730, 23279, 27460, 46558, 54920, 93116, 116395, 186232, 232790, 465580, 931160, 31962067, 63924134, 127848268, 159810335, 255696536, 319620670, 639241340, 1278482680]

約数ペア:

[(1, 1278482680), (2, 639241340), (4, 319620670), (5, 255696536), (8, 159810335), (10, 127848268), (20, 63924134), (40, 31962067), (1373, 931160), (2746, 465580), (5492, 232790), (6865, 186232), (10984, 116395), (13730, 93116), (23279, 54920), (27460, 46558)]