27869680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5711}}^1$

素因数の和:5785

約数の個数: 40

約数和(自身を含む): 65870784

約数和(自身を除く): 38001104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5711, 11422, 22844, 28555, 45688, 57110, 91376, 114220, 228440, 348371, 456880, 696742, 1393484, 1741855, 2786968, 3483710, 5573936, 6967420, 13934840, 27869680]

約数ペア:

[(1, 27869680), (2, 13934840), (4, 6967420), (5, 5573936), (8, 3483710), (10, 2786968), (16, 1741855), (20, 1393484), (40, 696742), (61, 456880), (80, 348371), (122, 228440), (244, 114220), (305, 91376), (488, 57110), (610, 45688), (976, 28555), (1220, 22844), (2440, 11422), (4880, 5711)]