25680408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 70489440

約数和(自身を除く): 44809032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1378, 1553, 2067, 2756, 3106, 4134, 4659, 5512, 6212, 8268, 9318, 12424, 16536, 18636, 20189, 37272, 40378, 60567, 80756, 82309, 121134, 161512, 164618, 242268, 246927, 329236, 484536, 493854, 658472, 987708, 1070017, 1975416, 2140034, 3210051, 4280068, 6420102, 8560136, 12840204, 25680408]

約数ペア:

[(1, 25680408), (2, 12840204), (3, 8560136), (4, 6420102), (6, 4280068), (8, 3210051), (12, 2140034), (13, 1975416), (24, 1070017), (26, 987708), (39, 658472), (52, 493854), (53, 484536), (78, 329236), (104, 246927), (106, 242268), (156, 164618), (159, 161512), (212, 121134), (312, 82309), (318, 80756), (424, 60567), (636, 40378), (689, 37272), (1272, 20189), (1378, 18636), (1553, 16536), (2067, 12424), (2756, 9318), (3106, 8268), (4134, 6212), (4659, 5512)]