41319140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 88905600

約数和(自身を除く): 47586460

約数列:

[1, 2, 4, 5, 10, 20, 89, 139, 167, 178, 278, 334, 356, 445, 556, 668, 695, 835, 890, 1390, 1670, 1780, 2780, 3340, 12371, 14863, 23213, 24742, 29726, 46426, 49484, 59452, 61855, 74315, 92852, 116065, 123710, 148630, 232130, 247420, 297260, 464260, 2065957, 4131914, 8263828, 10329785, 20659570, 41319140]

約数ペア:

[(1, 41319140), (2, 20659570), (4, 10329785), (5, 8263828), (10, 4131914), (20, 2065957), (89, 464260), (139, 297260), (167, 247420), (178, 232130), (278, 148630), (334, 123710), (356, 116065), (445, 92852), (556, 74315), (668, 61855), (695, 59452), (835, 49484), (890, 46426), (1390, 29726), (1670, 24742), (1780, 23213), (2780, 14863), (3340, 12371)]