22206640

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 52027920

約数和(自身を除く): 29821280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1997, 2224, 2780, 3994, 5560, 7988, 9985, 11120, 15976, 19970, 31952, 39940, 79880, 159760, 277583, 555166, 1110332, 1387915, 2220664, 2775830, 4441328, 5551660, 11103320, 22206640]

約数ペア:

[(1, 22206640), (2, 11103320), (4, 5551660), (5, 4441328), (8, 2775830), (10, 2220664), (16, 1387915), (20, 1110332), (40, 555166), (80, 277583), (139, 159760), (278, 79880), (556, 39940), (695, 31952), (1112, 19970), (1390, 15976), (1997, 11120), (2224, 9985), (2780, 7988), (3994, 5560)]