31225360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20575

約数の個数: 40

約数和(自身を含む): 76423680

約数和(自身を除く): 45198320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20543, 41086, 82172, 102715, 164344, 205430, 328688, 390317, 410860, 780634, 821720, 1561268, 1643440, 1951585, 3122536, 3903170, 6245072, 7806340, 15612680, 31225360]

約数ペア:

[(1, 31225360), (2, 15612680), (4, 7806340), (5, 6245072), (8, 3903170), (10, 3122536), (16, 1951585), (19, 1643440), (20, 1561268), (38, 821720), (40, 780634), (76, 410860), (80, 390317), (95, 328688), (152, 205430), (190, 164344), (304, 102715), (380, 82172), (760, 41086), (1520, 20543)]