4414640

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 10363920

約数和(自身を除く): 5949280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 397, 556, 695, 794, 1112, 1390, 1588, 1985, 2224, 2780, 3176, 3970, 5560, 6352, 7940, 11120, 15880, 31760, 55183, 110366, 220732, 275915, 441464, 551830, 882928, 1103660, 2207320, 4414640]

約数ペア:

[(1, 4414640), (2, 2207320), (4, 1103660), (5, 882928), (8, 551830), (10, 441464), (16, 275915), (20, 220732), (40, 110366), (80, 55183), (139, 31760), (278, 15880), (397, 11120), (556, 7940), (695, 6352), (794, 5560), (1112, 3970), (1390, 3176), (1588, 2780), (1985, 2224)]