9962440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{947}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 22524480

約数和(自身を除く): 12562040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 947, 1052, 1315, 1894, 2104, 2630, 3788, 4735, 5260, 7576, 9470, 10520, 18940, 37880, 249061, 498122, 996244, 1245305, 1992488, 2490610, 4981220, 9962440]

約数ペア:

[(1, 9962440), (2, 4981220), (4, 2490610), (5, 1992488), (8, 1245305), (10, 996244), (20, 498122), (40, 249061), (263, 37880), (526, 18940), (947, 10520), (1052, 9470), (1315, 7576), (1894, 5260), (2104, 4735), (2630, 3788)]