12988400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1746

約数の個数: 60

約数和(自身を含む): 32866200

約数和(自身を除く): 19877800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1709, 1900, 3418, 3800, 6836, 7600, 8545, 13672, 17090, 27344, 32471, 34180, 42725, 64942, 68360, 85450, 129884, 136720, 162355, 170900, 259768, 324710, 341800, 519536, 649420, 683600, 811775, 1298840, 1623550, 2597680, 3247100, 6494200, 12988400]

約数ペア:

[(1, 12988400), (2, 6494200), (4, 3247100), (5, 2597680), (8, 1623550), (10, 1298840), (16, 811775), (19, 683600), (20, 649420), (25, 519536), (38, 341800), (40, 324710), (50, 259768), (76, 170900), (80, 162355), (95, 136720), (100, 129884), (152, 85450), (190, 68360), (200, 64942), (304, 42725), (380, 34180), (400, 32471), (475, 27344), (760, 17090), (950, 13672), (1520, 8545), (1709, 7600), (1900, 6836), (3418, 3800)]