65447960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 157528800

約数和(自身を除く): 92080840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 883, 1090, 1766, 1853, 2180, 3532, 3706, 4360, 4415, 7064, 7412, 8830, 9265, 14824, 15011, 17660, 18530, 30022, 35320, 37060, 60044, 74120, 75055, 96247, 120088, 150110, 192494, 300220, 384988, 481235, 600440, 769976, 962470, 1636199, 1924940, 3272398, 3849880, 6544796, 8180995, 13089592, 16361990, 32723980, 65447960]

約数ペア:

[(1, 65447960), (2, 32723980), (4, 16361990), (5, 13089592), (8, 8180995), (10, 6544796), (17, 3849880), (20, 3272398), (34, 1924940), (40, 1636199), (68, 962470), (85, 769976), (109, 600440), (136, 481235), (170, 384988), (218, 300220), (340, 192494), (436, 150110), (545, 120088), (680, 96247), (872, 75055), (883, 74120), (1090, 60044), (1766, 37060), (1853, 35320), (2180, 30022), (3532, 18530), (3706, 17660), (4360, 15011), (4415, 14824), (7064, 9265), (7412, 8830)]