30246280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4639}}^1$

素因数の和:4813

約数の個数: 32

約数和(自身を含む): 68486400

約数和(自身を除く): 38240120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4639, 6520, 9278, 18556, 23195, 37112, 46390, 92780, 185560, 756157, 1512314, 3024628, 3780785, 6049256, 7561570, 15123140, 30246280]

約数ペア:

[(1, 30246280), (2, 15123140), (4, 7561570), (5, 6049256), (8, 3780785), (10, 3024628), (20, 1512314), (40, 756157), (163, 185560), (326, 92780), (652, 46390), (815, 37112), (1304, 23195), (1630, 18556), (3260, 9278), (4639, 6520)]