28975280

素因数分解:

$2^4\times 5^1\times {\mathrm{362191}}^1$

素因数の和:362204

約数の個数: 20

約数和(自身を含む): 67367712

約数和(自身を除く): 38392432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 362191, 724382, 1448764, 1810955, 2897528, 3621910, 5795056, 7243820, 14487640, 28975280]

約数ペア:

[(1, 28975280), (2, 14487640), (4, 7243820), (5, 5795056), (8, 3621910), (10, 2897528), (16, 1810955), (20, 1448764), (40, 724382), (80, 362191)]