30518480

素因数分解:

$2^4\times 5^1\times {\mathrm{381481}}^1$

素因数の和:381494

約数の個数: 20

約数和(自身を含む): 70955652

約数和(自身を除く): 40437172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381481, 762962, 1525924, 1907405, 3051848, 3814810, 6103696, 7629620, 15259240, 30518480]

約数ペア:

[(1, 30518480), (2, 15259240), (4, 7629620), (5, 6103696), (8, 3814810), (10, 3051848), (16, 1907405), (20, 1525924), (40, 762962), (80, 381481)]