23720680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 31799960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 167, 212, 265, 268, 334, 335, 424, 530, 536, 668, 670, 835, 1060, 1336, 1340, 1670, 2120, 2680, 3340, 3551, 6680, 7102, 8851, 11189, 14204, 17702, 17755, 22378, 28408, 35404, 35510, 44255, 44756, 55945, 70808, 71020, 88510, 89512, 111890, 142040, 177020, 223780, 354040, 447560, 593017, 1186034, 2372068, 2965085, 4744136, 5930170, 11860340, 23720680]

約数ペア:

[(1, 23720680), (2, 11860340), (4, 5930170), (5, 4744136), (8, 2965085), (10, 2372068), (20, 1186034), (40, 593017), (53, 447560), (67, 354040), (106, 223780), (134, 177020), (167, 142040), (212, 111890), (265, 89512), (268, 88510), (334, 71020), (335, 70808), (424, 55945), (530, 44756), (536, 44255), (668, 35510), (670, 35404), (835, 28408), (1060, 22378), (1336, 17755), (1340, 17702), (1670, 14204), (2120, 11189), (2680, 8851), (3340, 7102), (3551, 6680)]