396843760

素因数分解:

$2^4\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{3083}}^1$

素因数の和:4705

約数の個数: 40

約数和(自身を含む): 923534640

約数和(自身を除く): 526690880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1609, 3083, 3218, 6166, 6436, 8045, 12332, 12872, 15415, 16090, 24664, 25744, 30830, 32180, 49328, 61660, 64360, 123320, 128720, 246640, 4960547, 9921094, 19842188, 24802735, 39684376, 49605470, 79368752, 99210940, 198421880, 396843760]

約数ペア:

[(1, 396843760), (2, 198421880), (4, 99210940), (5, 79368752), (8, 49605470), (10, 39684376), (16, 24802735), (20, 19842188), (40, 9921094), (80, 4960547), (1609, 246640), (3083, 128720), (3218, 123320), (6166, 64360), (6436, 61660), (8045, 49328), (12332, 32180), (12872, 30830), (15415, 25744), (16090, 24664)]