40987660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2137}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 99134784

約数和(自身を除く): 58147124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2137, 2740, 3836, 4274, 4795, 8548, 9590, 10685, 14959, 19180, 21370, 29918, 42740, 59836, 74795, 149590, 292769, 299180, 585538, 1171076, 1463845, 2049383, 2927690, 4098766, 5855380, 8197532, 10246915, 20493830, 40987660]

約数ペア:

[(1, 40987660), (2, 20493830), (4, 10246915), (5, 8197532), (7, 5855380), (10, 4098766), (14, 2927690), (20, 2049383), (28, 1463845), (35, 1171076), (70, 585538), (137, 299180), (140, 292769), (274, 149590), (548, 74795), (685, 59836), (959, 42740), (1370, 29918), (1918, 21370), (2137, 19180), (2740, 14959), (3836, 10685), (4274, 9590), (4795, 8548)]