28538340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{475639}}^1$

素因数の和:475651

約数の個数: 24

約数和(自身を含む): 79907520

約数和(自身を除く): 51369180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 475639, 951278, 1426917, 1902556, 2378195, 2853834, 4756390, 5707668, 7134585, 9512780, 14269170, 28538340]

約数ペア:

[(1, 28538340), (2, 14269170), (3, 9512780), (4, 7134585), (5, 5707668), (6, 4756390), (10, 2853834), (12, 2378195), (15, 1902556), (20, 1426917), (30, 951278), (60, 475639)]