247904080

素因数分解:

$2^4\times 5^1\times {\mathrm{3098801}}^1$

素因数の和:3098814

約数の個数: 20

約数和(自身を含む): 576377172

約数和(自身を除く): 328473092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3098801, 6197602, 12395204, 15494005, 24790408, 30988010, 49580816, 61976020, 123952040, 247904080]

約数ペア:

[(1, 247904080), (2, 123952040), (4, 61976020), (5, 49580816), (8, 30988010), (10, 24790408), (16, 15494005), (20, 12395204), (40, 6197602), (80, 3098801)]