40340820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51719}}^1$

素因数の和:51744

約数の個数: 48

約数和(自身を含む): 121645440

約数和(自身を除く): 81304620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51719, 103438, 155157, 206876, 258595, 310314, 517190, 620628, 672347, 775785, 1034380, 1344694, 1551570, 2017041, 2689388, 3103140, 3361735, 4034082, 6723470, 8068164, 10085205, 13446940, 20170410, 40340820]

約数ペア:

[(1, 40340820), (2, 20170410), (3, 13446940), (4, 10085205), (5, 8068164), (6, 6723470), (10, 4034082), (12, 3361735), (13, 3103140), (15, 2689388), (20, 2017041), (26, 1551570), (30, 1344694), (39, 1034380), (52, 775785), (60, 672347), (65, 620628), (78, 517190), (130, 310314), (156, 258595), (195, 206876), (260, 155157), (390, 103438), (780, 51719)]