13825040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2833}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 32681688

約数和(自身を除く): 18856648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2833, 4880, 5666, 11332, 14165, 22664, 28330, 45328, 56660, 113320, 172813, 226640, 345626, 691252, 864065, 1382504, 1728130, 2765008, 3456260, 6912520, 13825040]

約数ペア:

[(1, 13825040), (2, 6912520), (4, 3456260), (5, 2765008), (8, 1728130), (10, 1382504), (16, 864065), (20, 691252), (40, 345626), (61, 226640), (80, 172813), (122, 113320), (244, 56660), (305, 45328), (488, 28330), (610, 22664), (976, 14165), (1220, 11332), (2440, 5666), (2833, 4880)]