22980940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 51492672

約数和(自身を除く): 28511732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 263, 340, 514, 526, 1028, 1052, 1285, 1315, 2570, 2630, 4369, 4471, 5140, 5260, 8738, 8942, 17476, 17884, 21845, 22355, 43690, 44710, 67591, 87380, 89420, 135182, 270364, 337955, 675910, 1149047, 1351820, 2298094, 4596188, 5745235, 11490470, 22980940]

約数ペア:

[(1, 22980940), (2, 11490470), (4, 5745235), (5, 4596188), (10, 2298094), (17, 1351820), (20, 1149047), (34, 675910), (68, 337955), (85, 270364), (170, 135182), (257, 89420), (263, 87380), (340, 67591), (514, 44710), (526, 43690), (1028, 22355), (1052, 21845), (1285, 17884), (1315, 17476), (2570, 8942), (2630, 8738), (4369, 5260), (4471, 5140)]