4543120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 10680120

約数和(自身を除く): 6137000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 521, 545, 872, 1042, 1090, 1744, 2084, 2180, 2605, 4168, 4360, 5210, 8336, 8720, 10420, 20840, 41680, 56789, 113578, 227156, 283945, 454312, 567890, 908624, 1135780, 2271560, 4543120]

約数ペア:

[(1, 4543120), (2, 2271560), (4, 1135780), (5, 908624), (8, 567890), (10, 454312), (16, 283945), (20, 227156), (40, 113578), (80, 56789), (109, 41680), (218, 20840), (436, 10420), (521, 8720), (545, 8336), (872, 5210), (1042, 4360), (1090, 4168), (1744, 2605), (2084, 2180)]