12180400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:878

約数の個数: 60

約数和(自身を含む): 30090832

約数和(自身を除く): 17910432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 823, 925, 1480, 1646, 1850, 2960, 3292, 3700, 4115, 6584, 7400, 8230, 13168, 14800, 16460, 20575, 30451, 32920, 41150, 60902, 65840, 82300, 121804, 152255, 164600, 243608, 304510, 329200, 487216, 609020, 761275, 1218040, 1522550, 2436080, 3045100, 6090200, 12180400]

約数ペア:

[(1, 12180400), (2, 6090200), (4, 3045100), (5, 2436080), (8, 1522550), (10, 1218040), (16, 761275), (20, 609020), (25, 487216), (37, 329200), (40, 304510), (50, 243608), (74, 164600), (80, 152255), (100, 121804), (148, 82300), (185, 65840), (200, 60902), (296, 41150), (370, 32920), (400, 30451), (592, 20575), (740, 16460), (823, 14800), (925, 13168), (1480, 8230), (1646, 7400), (1850, 6584), (2960, 4115), (3292, 3700)]