87320420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17257}}^1$

素因数の和:17300

約数の個数: 48

約数和(自身を含む): 208752768

約数和(自身を除く): 121432348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 17257, 34514, 69028, 86285, 172570, 189827, 345140, 379654, 396911, 759308, 793822, 949135, 1587644, 1898270, 1984555, 3796540, 3969110, 4366021, 7938220, 8732042, 17464084, 21830105, 43660210, 87320420]

約数ペア:

[(1, 87320420), (2, 43660210), (4, 21830105), (5, 17464084), (10, 8732042), (11, 7938220), (20, 4366021), (22, 3969110), (23, 3796540), (44, 1984555), (46, 1898270), (55, 1587644), (92, 949135), (110, 793822), (115, 759308), (220, 396911), (230, 379654), (253, 345140), (460, 189827), (506, 172570), (1012, 86285), (1265, 69028), (2530, 34514), (5060, 17257)]