11388400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 27815184

約数和(自身を除く): 16426784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 401, 568, 710, 802, 1136, 1420, 1604, 1775, 2005, 2840, 3208, 3550, 4010, 5680, 6416, 7100, 8020, 10025, 14200, 16040, 20050, 28400, 28471, 32080, 40100, 56942, 80200, 113884, 142355, 160400, 227768, 284710, 455536, 569420, 711775, 1138840, 1423550, 2277680, 2847100, 5694200, 11388400]

約数ペア:

[(1, 11388400), (2, 5694200), (4, 2847100), (5, 2277680), (8, 1423550), (10, 1138840), (16, 711775), (20, 569420), (25, 455536), (40, 284710), (50, 227768), (71, 160400), (80, 142355), (100, 113884), (142, 80200), (200, 56942), (284, 40100), (355, 32080), (400, 28471), (401, 28400), (568, 20050), (710, 16040), (802, 14200), (1136, 10025), (1420, 8020), (1604, 7100), (1775, 6416), (2005, 5680), (2840, 4010), (3208, 3550)]