30510640

素因数分解:

$2^4\times 5^1\times {\mathrm{381383}}^1$

素因数の和:381396

約数の個数: 20

約数和(自身を含む): 70937424

約数和(自身を除く): 40426784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381383, 762766, 1525532, 1906915, 3051064, 3813830, 6102128, 7627660, 15255320, 30510640]

約数ペア:

[(1, 30510640), (2, 15255320), (4, 7627660), (5, 6102128), (8, 3813830), (10, 3051064), (16, 1906915), (20, 1525532), (40, 762766), (80, 381383)]