68201720

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6793}}^1$

素因数の和:7055

約数の個数: 32

約数和(自身を含む): 154087920

約数和(自身を除く): 85886200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6793, 10040, 13586, 27172, 33965, 54344, 67930, 135860, 271720, 1705043, 3410086, 6820172, 8525215, 13640344, 17050430, 34100860, 68201720]

約数ペア:

[(1, 68201720), (2, 34100860), (4, 17050430), (5, 13640344), (8, 8525215), (10, 6820172), (20, 3410086), (40, 1705043), (251, 271720), (502, 135860), (1004, 67930), (1255, 54344), (2008, 33965), (2510, 27172), (5020, 13586), (6793, 10040)]