40007200

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1226

約数の個数: 72

約数和(自身を含む): 100024848

約数和(自身を除く): 60017648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1163, 1376, 1720, 2150, 2326, 3440, 4300, 4652, 5815, 6880, 8600, 9304, 11630, 17200, 18608, 23260, 29075, 34400, 37216, 46520, 50009, 58150, 93040, 100018, 116300, 186080, 200036, 232600, 250045, 400072, 465200, 500090, 800144, 930400, 1000180, 1250225, 1600288, 2000360, 2500450, 4000720, 5000900, 8001440, 10001800, 20003600, 40007200]

約数ペア:

[(1, 40007200), (2, 20003600), (4, 10001800), (5, 8001440), (8, 5000900), (10, 4000720), (16, 2500450), (20, 2000360), (25, 1600288), (32, 1250225), (40, 1000180), (43, 930400), (50, 800144), (80, 500090), (86, 465200), (100, 400072), (160, 250045), (172, 232600), (200, 200036), (215, 186080), (344, 116300), (400, 100018), (430, 93040), (688, 58150), (800, 50009), (860, 46520), (1075, 37216), (1163, 34400), (1376, 29075), (1720, 23260), (2150, 18608), (2326, 17200), (3440, 11630), (4300, 9304), (4652, 8600), (5815, 6880)]