40403408

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 81140640

約数和(自身を除く): 40737232

約数列:

[1, 2, 4, 8, 16, 37, 74, 139, 148, 278, 296, 491, 556, 592, 982, 1112, 1964, 2224, 3928, 5143, 7856, 10286, 18167, 20572, 36334, 41144, 68249, 72668, 82288, 136498, 145336, 272996, 290672, 545992, 1091984, 2525213, 5050426, 10100852, 20201704, 40403408]

約数ペア:

[(1, 40403408), (2, 20201704), (4, 10100852), (8, 5050426), (16, 2525213), (37, 1091984), (74, 545992), (139, 290672), (148, 272996), (278, 145336), (296, 136498), (491, 82288), (556, 72668), (592, 68249), (982, 41144), (1112, 36334), (1964, 20572), (2224, 18167), (3928, 10286), (5143, 7856)]