81207200

素因数分解:

$2^5\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1326

約数の個数: 72

約数和(自身を含む): 200799648

約数和(自身を除く): 119592448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 83, 100, 160, 166, 200, 332, 400, 415, 664, 800, 830, 1223, 1328, 1660, 2075, 2446, 2656, 3320, 4150, 4892, 6115, 6640, 8300, 9784, 12230, 13280, 16600, 19568, 24460, 30575, 33200, 39136, 48920, 61150, 66400, 97840, 101509, 122300, 195680, 203018, 244600, 406036, 489200, 507545, 812072, 978400, 1015090, 1624144, 2030180, 2537725, 3248288, 4060360, 5075450, 8120720, 10150900, 16241440, 20301800, 40603600, 81207200]

約数ペア:

[(1, 81207200), (2, 40603600), (4, 20301800), (5, 16241440), (8, 10150900), (10, 8120720), (16, 5075450), (20, 4060360), (25, 3248288), (32, 2537725), (40, 2030180), (50, 1624144), (80, 1015090), (83, 978400), (100, 812072), (160, 507545), (166, 489200), (200, 406036), (332, 244600), (400, 203018), (415, 195680), (664, 122300), (800, 101509), (830, 97840), (1223, 66400), (1328, 61150), (1660, 48920), (2075, 39136), (2446, 33200), (2656, 30575), (3320, 24460), (4150, 19568), (4892, 16600), (6115, 13280), (6640, 12230), (8300, 9784)]