8045147648

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{198901}}^1$

素因数の和:198998

約数の個数: 40

約数和(自身を含む): 16278139680

約数和(自身を除く): 8232992032

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1264, 2528, 5056, 10112, 20224, 40448, 198901, 397802, 795604, 1591208, 3182416, 6364832, 12729664, 15713179, 25459328, 31426358, 50918656, 62852716, 101837312, 125705432, 251410864, 502821728, 1005643456, 2011286912, 4022573824, 8045147648]

約数ペア:

[(1, 8045147648), (2, 4022573824), (4, 2011286912), (8, 1005643456), (16, 502821728), (32, 251410864), (64, 125705432), (79, 101837312), (128, 62852716), (158, 50918656), (256, 31426358), (316, 25459328), (512, 15713179), (632, 12729664), (1264, 6364832), (2528, 3182416), (5056, 1591208), (10112, 795604), (20224, 397802), (40448, 198901)]