1055020720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1289}}^1$

素因数の和:2102

約数の個数: 80

約数和(自身を含む): 2647018080

約数和(自身を除く): 1591997360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 787, 1040, 1289, 1574, 2578, 3148, 3935, 5156, 6296, 6445, 7870, 10231, 10312, 12592, 12890, 15740, 16757, 20462, 20624, 25780, 31480, 33514, 40924, 51155, 51560, 62960, 67028, 81848, 83785, 102310, 103120, 134056, 163696, 167570, 204620, 268112, 335140, 409240, 670280, 818480, 1014443, 1340560, 2028886, 4057772, 5072215, 8115544, 10144430, 13187759, 16231088, 20288860, 26375518, 40577720, 52751036, 65938795, 81155440, 105502072, 131877590, 211004144, 263755180, 527510360, 1055020720]

約数ペア:

[(1, 1055020720), (2, 527510360), (4, 263755180), (5, 211004144), (8, 131877590), (10, 105502072), (13, 81155440), (16, 65938795), (20, 52751036), (26, 40577720), (40, 26375518), (52, 20288860), (65, 16231088), (80, 13187759), (104, 10144430), (130, 8115544), (208, 5072215), (260, 4057772), (520, 2028886), (787, 1340560), (1040, 1014443), (1289, 818480), (1574, 670280), (2578, 409240), (3148, 335140), (3935, 268112), (5156, 204620), (6296, 167570), (6445, 163696), (7870, 134056), (10231, 103120), (10312, 102310), (12592, 83785), (12890, 81848), (15740, 67028), (16757, 62960), (20462, 51560), (20624, 51155), (25780, 40924), (31480, 33514)]