5180980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 12983040

約数和(自身を除く): 7802060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1609, 1610, 3218, 3220, 6436, 8045, 11263, 16090, 22526, 32180, 37007, 45052, 56315, 74014, 112630, 148028, 185035, 225260, 259049, 370070, 518098, 740140, 1036196, 1295245, 2590490, 5180980]

約数ペア:

[(1, 5180980), (2, 2590490), (4, 1295245), (5, 1036196), (7, 740140), (10, 518098), (14, 370070), (20, 259049), (23, 225260), (28, 185035), (35, 148028), (46, 112630), (70, 74014), (92, 56315), (115, 45052), (140, 37007), (161, 32180), (230, 22526), (322, 16090), (460, 11263), (644, 8045), (805, 6436), (1609, 3220), (1610, 3218)]