157159040

素因数分解:

$2^7\times 5^1\times {\mathrm{245561}}^1$

素因数の和:245580

約数の個数: 32

約数和(自身を含む): 375709860

約数和(自身を除く): 218550820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245561, 491122, 982244, 1227805, 1964488, 2455610, 3928976, 4911220, 7857952, 9822440, 15715904, 19644880, 31431808, 39289760, 78579520, 157159040]

約数ペア:

[(1, 157159040), (2, 78579520), (4, 39289760), (5, 31431808), (8, 19644880), (10, 15715904), (16, 9822440), (20, 7857952), (32, 4911220), (40, 3928976), (64, 2455610), (80, 1964488), (128, 1227805), (160, 982244), (320, 491122), (640, 245561)]