39847840

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1205

約数の個数: 48

約数和(自身を含む): 94590720

約数和(自身を除く): 54742880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 919, 1084, 1355, 1838, 2168, 2710, 3676, 4336, 4595, 5420, 7352, 8672, 9190, 10840, 14704, 18380, 21680, 29408, 36760, 43360, 73520, 147040, 249049, 498098, 996196, 1245245, 1992392, 2490490, 3984784, 4980980, 7969568, 9961960, 19923920, 39847840]

約数ペア:

[(1, 39847840), (2, 19923920), (4, 9961960), (5, 7969568), (8, 4980980), (10, 3984784), (16, 2490490), (20, 1992392), (32, 1245245), (40, 996196), (80, 498098), (160, 249049), (271, 147040), (542, 73520), (919, 43360), (1084, 36760), (1355, 29408), (1838, 21680), (2168, 18380), (2710, 14704), (3676, 10840), (4336, 9190), (4595, 8672), (5420, 7352)]