15612680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20573

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 21366520

約数列:

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

約数ペア:

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