129969040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26633}}^1$

素因数の和:26707

約数の個数: 40

約数和(自身を含む): 307143288

約数和(自身を除く): 177174248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 26633, 53266, 106532, 133165, 213064, 266330, 426128, 532660, 1065320, 1624613, 2130640, 3249226, 6498452, 8123065, 12996904, 16246130, 25993808, 32492260, 64984520, 129969040]

約数ペア:

[(1, 129969040), (2, 64984520), (4, 32492260), (5, 25993808), (8, 16246130), (10, 12996904), (16, 8123065), (20, 6498452), (40, 3249226), (61, 2130640), (80, 1624613), (122, 1065320), (244, 532660), (305, 426128), (488, 266330), (610, 213064), (976, 133165), (1220, 106532), (2440, 53266), (4880, 26633)]