27909640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 69154560

約数和(自身を除く): 41244920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 463, 548, 685, 926, 1096, 1370, 1507, 1852, 2315, 2740, 3014, 3704, 4630, 5093, 5480, 6028, 7535, 9260, 10186, 12056, 15070, 18520, 20372, 25465, 30140, 40744, 50930, 60280, 63431, 101860, 126862, 203720, 253724, 317155, 507448, 634310, 697741, 1268620, 1395482, 2537240, 2790964, 3488705, 5581928, 6977410, 13954820, 27909640]

約数ペア:

[(1, 27909640), (2, 13954820), (4, 6977410), (5, 5581928), (8, 3488705), (10, 2790964), (11, 2537240), (20, 1395482), (22, 1268620), (40, 697741), (44, 634310), (55, 507448), (88, 317155), (110, 253724), (137, 203720), (220, 126862), (274, 101860), (440, 63431), (463, 60280), (548, 50930), (685, 40744), (926, 30140), (1096, 25465), (1370, 20372), (1507, 18520), (1852, 15070), (2315, 12056), (2740, 10186), (3014, 9260), (3704, 7535), (4630, 6028), (5093, 5480)]