27898960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5717}}^1$

素因数の和:5791

約数の個数: 40

約数和(自身を含む): 65939976

約数和(自身を除く): 38041016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5717, 11434, 22868, 28585, 45736, 57170, 91472, 114340, 228680, 348737, 457360, 697474, 1394948, 1743685, 2789896, 3487370, 5579792, 6974740, 13949480, 27898960]

約数ペア:

[(1, 27898960), (2, 13949480), (4, 6974740), (5, 5579792), (8, 3487370), (10, 2789896), (16, 1743685), (20, 1394948), (40, 697474), (61, 457360), (80, 348737), (122, 228680), (244, 114340), (305, 91472), (488, 57170), (610, 45736), (976, 28585), (1220, 22868), (2440, 11434), (4880, 5717)]