25980990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{123719}}^1$

素因数の和:123736

約数の個数: 32

約数和(自身を含む): 71262720

約数和(自身を除く): 45281730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 123719, 247438, 371157, 618595, 742314, 866033, 1237190, 1732066, 1855785, 2598099, 3711570, 4330165, 5196198, 8660330, 12990495, 25980990]

約数ペア:

[(1, 25980990), (2, 12990495), (3, 8660330), (5, 5196198), (6, 4330165), (7, 3711570), (10, 2598099), (14, 1855785), (15, 1732066), (21, 1237190), (30, 866033), (35, 742314), (42, 618595), (70, 371157), (105, 247438), (210, 123719)]