89760040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{14293}}^1$

素因数の和:14461

約数の個数: 32

約数和(自身を含む): 203260680

約数和(自身を除く): 113500640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 14293, 28586, 57172, 71465, 114344, 142930, 285860, 571720, 2244001, 4488002, 8976004, 11220005, 17952008, 22440010, 44880020, 89760040]

約数ペア:

[(1, 89760040), (2, 44880020), (4, 22440010), (5, 17952008), (8, 11220005), (10, 8976004), (20, 4488002), (40, 2244001), (157, 571720), (314, 285860), (628, 142930), (785, 114344), (1256, 71465), (1570, 57172), (3140, 28586), (6280, 14293)]