1373608520

素因数分解:

$2^3\times 5^1\times {\mathrm{5431}}^1\times {\mathrm{6323}}^1$

素因数の和:11765

約数の個数: 32

約数和(自身を含む): 3091677120

約数和(自身を除く): 1718068600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5431, 6323, 10862, 12646, 21724, 25292, 27155, 31615, 43448, 50584, 54310, 63230, 108620, 126460, 217240, 252920, 34340213, 68680426, 137360852, 171701065, 274721704, 343402130, 686804260, 1373608520]

約数ペア:

[(1, 1373608520), (2, 686804260), (4, 343402130), (5, 274721704), (8, 171701065), (10, 137360852), (20, 68680426), (40, 34340213), (5431, 252920), (6323, 217240), (10862, 126460), (12646, 108620), (21724, 63230), (25292, 54310), (27155, 50584), (31615, 43448)]